-- This is the data used in [[Module:RailGauge]]. The format is as follows:

--  {
--      ["id"] = "1000",                            -- Gauge identification in mm. Used for checks.
--      ["aliases"] = { [[1000]], [[1000mm]] },     -- Aliases for the gauge.
--      ["name"] = "metre gauge",                   -- The gauge name.
--      ["link"] = "[[metre gauge]]",               -- Link to the Wikipedia article, capitalised as if it were inline text.
--      ["dflt1"] = "met",                          -- The default measurement system, either "met" (metric) or "imp" (imperial).
--      ["m"] = "1",                                -- The metre part of the gauge (for metric measurements).
--      ["mm"] = "1000",                            -- The mm part of the gauge (for metric measurements).
--      ["ft"] = "3",                               -- The feet part of the gauge (for imperial measurements).
--      ["in"] = "3",                               -- The inches part of the gauge (for imperial measurements).
--      ["num"] = "3",                              -- The numerator for fractions of inches (i.e. the "3" in 3/8 inches ).
--      ["den"] = "8"                               -- The denominator for fractions of inches (i.e. the "8" in 3/8 inches ).
--  },

-- The "id", "aliases", and "dflt1" fields are required, and the "name" and "link" fields are optional. There must be at least
-- one metric measurement field and one imperial measurement field. If the "num" is specified, then the "den" field must also
-- be specified, and vice versa.

-- Alias names should not contain any spaces; spaces are trimmed from the input when it is processed, so alias names
-- containing spaces will not be matched. If there are any duplicate aliases, the one appearing earliest in the table will be
-- used. Please try and avoid this.

return {
    -- Highly-used gauges are listed first to speed up table lookup.
    {
        ["id"] = "1000",
        ["aliases"] = { [[1000]], [[1000mm]], [[metre]], [[meter]], [[m]], [[1]], [[1m]] },
        ["name"] = "metre gauge",
        ["link"] = "[[metre gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1000",
        ["ft"] = "3",
        ["in"] = "3",
        ["num"] = "3",
        ["den"] = "8"
    },
    {
        ["id"] = "1435",
        ["aliases"] = { [[1435]], [[1435mm]], [[sg]], [[standard]] },
        ["name"] = "standard gauge",
        ["link"] = "[[standard gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1435",
        ["ft"] = "4",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "1435",
        ["aliases"] = { [[56.5]], [[56.5in]], [[56.5"]], [[4ft8.5in]], [[4'8.5"]], [[ussg]], [[nasg]], [[usstandard]], [[nastandard]] },
        ["name"] = "standard gauge",
        ["link"] = "[[standard gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1435"
    },
    {
        ["id"] = "1520",
        ["aliases"] = { [[1520]], [[1520mm]], [[1.52m]], [[russian]] },
        ["name"] = "Russian gauge",
        ["link"] = "[[Russian gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1520",
        ["ft"] = "4",
        ["in"] = "11",
        ["num"] = "27",
        ["den"] = "32"
    },
    {
        ["id"] = "1668",
        ["aliases"] = { [[1668]], [[1668mm]], [[1.668m]], [[iberian]] },
        ["name"] = "Iberian gauge",
        ["link"] = "[[Iberian gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1668",
        ["ft"] = "5",
        ["in"] = "5",
        ["num"] = "21",
        ["den"] = "32"
    },
    -- The gauges that follow are listed in order of size.
    {
        ["id"] = "3",
        ["aliases"] = { [[3mm]] },
        ["dflt1"] = "met",
        ["mm"] = "3",
        ["in"] = "0.118"
    },
    {
        ["id"] = "4",
        ["aliases"] = { [[4mm]] },
        ["dflt1"] = "met",
        ["mm"] = "4",
        ["in"] = "0.157"
    },
    {
        ["id"] = "4.5",
        ["aliases"] = { [[4.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "4.5",
        ["in"] = "0.177"
    },
    {
        ["id"] = "4.5",
        ["aliases"] = { [[0.177]], [[0.177in]], [[0.177"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.177",
        ["mm"] = "4.5"
    },
    {
        ["id"] = "4.8",
        ["aliases"] = { [[4.8mm]] },
        ["dflt1"] = "met",
        ["mm"] = "4.8",
        ["in"] = "0.189"
    },
    {
        ["id"] = "6.35",
        ["aliases"] = { [[0.250]], [[0.250in]], [[0.250"]], [[0.25]], [[0.25in]], [[0.25"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.25",
        ["mm"] = "6.35"
    },
    {
        ["id"] = "6.5",
        ["aliases"] = { [[6.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "6.5",
        ["in"] = "0.256"
    },
    {
        ["id"] = "6.5",
        ["aliases"] = { [[0.256]], [[0.256in]], [[0.256"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.256",
        ["mm"] = "6.5"
    },
    {
        ["id"] = "7",
        ["aliases"] = { [[0.276]], [[0.276in]], [[0.276"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.276",
        ["mm"] = "7"
    },
    {
        ["id"] = "7",
        ["aliases"] = { [[7mm]] },
        ["dflt1"] = "met",
        ["mm"] = "7",
        ["in"] = "0.276"
    },
    {
        ["id"] = "8",
        ["aliases"] = { [[8mm]] },
        ["dflt1"] = "met",
        ["mm"] = "8",
        ["in"] = "0.315"
    },
    {
        ["id"] = "8.97",
        ["aliases"] = { [[8.97mm]] },
        ["dflt1"] = "met",
        ["mm"] = "8.97",
        ["in"] = "0.353"
    },
    {
        ["id"] = "8.97",
        ["aliases"] = { [[0.353]], [[0.353in]], [[0.353"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.353",
        ["mm"] = "8.97"
    },
    {
        ["id"] = "9",
        ["aliases"] = { [[9mm]] },
        ["dflt1"] = "met",
        ["mm"] = "9",
        ["in"] = "0.354"
    },
    {
        ["id"] = "9.42",
        ["aliases"] = { [[9.42mm]] },
        ["dflt1"] = "met",
        ["mm"] = "9.42",
        ["in"] = "0.371"
    },
    {
        ["id"] = "10.5",
        ["aliases"] = { [[10.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "10.5",
        ["in"] = "0.413"
    },
    {
        ["id"] = "10.5",
        ["aliases"] = { [[0.413]], [[0.413in]], [[0.413"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.413",
        ["mm"] = "10.5"
    },
    {
        ["id"] = "11.94",
        ["aliases"] = { [[0.470]], [[0.470in]], [[0.470"]], [[0.47in]], [[0.47"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.470",
        ["mm"] = "11.94"
    },
    {
        ["id"] = "12",
        ["aliases"] = { [[12mm]] },
        ["dflt1"] = "met",
        ["mm"] = "12",
        ["in"] = "0.472"
    },
    {
        ["id"] = "12",
        ["aliases"] = { [[0.472in]], [[0.473in]] },
        ["dflt1"] = "imp",
        ["in"] = "0.472",
        ["mm"] = "12"
    },
    {
        ["id"] = "12.7",
        ["aliases"] = { [[12.7mm]] },
        ["dflt1"] = "met",
        ["mm"] = "12.7",
        ["in"] = "0.5"
    },
    {
        ["id"] = "12.7",
        ["aliases"] = { [[0.5in]], [[0.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.5",
        ["mm"] = "12.7"
    },
    {
        ["id"] = "13",
        ["aliases"] = { [[13mm]] },
        ["dflt1"] = "met",
        ["mm"] = "13",
        ["in"] = "0.512"
    },
    {
        ["id"] = "13.5",
        ["aliases"] = { [[13.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "13.5",
        ["in"] = "0.531"
    },
    {
        ["id"] = "14",
        ["aliases"] = { [[14mm]] },
        ["dflt1"] = "met",
        ["mm"] = "14",
        ["in"] = "0.551"
    },
    {
        ["id"] = "14.125",
        ["aliases"] = { [[14.125mm]] },
        ["dflt1"] = "met",
        ["mm"] = "14.125",
        ["in"] = "0.556"
    },
    {
        ["id"] = "14.2",
        ["aliases"] = { [[14.2mm]] },
        ["dflt1"] = "met",
        ["mm"] = "14.2",
        ["in"] = "0.559"
    },
    {
        ["id"] = "14.28",
        ["aliases"] = { [[14.28mm]] },
        ["dflt1"] = "met",
        ["mm"] = "14.28",
        ["in"] = "0.562"
    },
    {
        ["id"] = "14.3",
        ["aliases"] = { [[14.3mm]] },
        ["dflt1"] = "met",
        ["mm"] = "14.3",
        ["in"] = "0.563"
    },
    {
        ["id"] = "14.3",
        ["aliases"] = { [[0.563]], [[0.563in]], [[0.563"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.563",
        ["mm"] = "14.3"
    },
    {
        ["id"] = "15.75",
        ["aliases"] = { [[15.75mm]] },
        ["dflt1"] = "met",
        ["mm"] = "15.75",
        ["in"] = "0.620"
    },
    {
        ["id"] = "16.2",
        ["aliases"] = { [[16.2mm]] },
        ["dflt1"] = "met",
        ["mm"] = "16.2",
        ["in"] = "0.638"
    },
    {
        ["id"] = "16.5",
        ["aliases"] = { [[16.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "16.5",
        ["in"] = "0.65"
    },
    {
        ["id"] = "16.5",
        ["aliases"] = { [[0.650]], [[0.650in]], [[0.650"]], [[0.65in]], [[0.65"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.65",
        ["mm"] = "16.5"
    },
    {
        ["id"] = "18",
        ["aliases"] = { [[18mm]] },
        ["dflt1"] = "met",
        ["mm"] = "18",
        ["in"] = "0.709"
    },
    {
        ["id"] = "18.2",
        ["aliases"] = { [[18.2mm]] },
        ["dflt1"] = "met",
        ["mm"] = "18.2",
        ["in"] = "0.717"
    },
    {
        ["id"] = "18.83",
        ["aliases"] = { [[18.83mm]] },
        ["dflt1"] = "met",
        ["mm"] = "18.83",
        ["in"] = "0.741"
    },
    {
        ["id"] = "19",
        ["aliases"] = { [[19mm]] },
        ["dflt1"] = "met",
        ["mm"] = "19",
        ["in"] = "0.748"
    },
    {
        ["id"] = "19.05",
        ["aliases"] = { [[19.05mm]] },
        ["dflt1"] = "met",
        ["mm"] = "19.05",
        ["in"] = "0.75"
    },
    {
        ["id"] = "19.05",
        ["aliases"] = { [[0.750in]], [[0.750"]], [[0.75in]], [[0.75"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.75",
        ["mm"] = "19.05"
    },
    {
        ["id"] = "19.4",
        ["aliases"] = { [[19.4mm]] },
        ["dflt1"] = "met",
        ["mm"] = "19.4",
        ["in"] = "0.764"
    },
    {
        ["id"] = "20.5",
        ["aliases"] = { [[20.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "20.5",
        ["in"] = "0.807"
    },
    {
        ["id"] = "21",
        ["aliases"] = { [[21mm]] },
        ["dflt1"] = "met",
        ["mm"] = "21",
        ["in"] = "0.827"
    },
    {
        ["id"] = "21.97",
        ["aliases"] = { [[0.865]], [[0.865in]], [[0.865"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.865",
        ["mm"] = "21.97"
    },
    {
        ["id"] = "22",
        ["aliases"] = { [[22mm]] },
        ["dflt1"] = "met",
        ["mm"] = "22",
        ["in"] = "0.866"
    },
    {
        ["id"] = "22.2",
        ["aliases"] = { [[22.2mm]] },
        ["dflt1"] = "met",
        ["mm"] = "22.2",
        ["in"] = "0.874"
    },
    {
        ["id"] = "22.42",
        ["aliases"] = { [[22.42mm]] },
        ["dflt1"] = "met",
        ["mm"] = "22.42",
        ["in"] = "0.883"
    },
    {
        ["id"] = "22.42",
        ["aliases"] = { [[0.883]], [[0.883in]], [[0.883"]] },
        ["dflt1"] = "imp",
        ["in"] = "0.883",
        ["mm"] = "22.42"
    },
    {
        ["id"] = "22.5",
        ["aliases"] = { [[22.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "22.5",
        ["in"] = "0.886"
    },
    {
        ["id"] = "23",
        ["aliases"] = { [[23mm]] },
        ["dflt1"] = "met",
        ["mm"] = "23",
        ["in"] = "0.906"
    },
    {
        ["id"] = "24",
        ["aliases"] = { [[24mm]] },
        ["dflt1"] = "met",
        ["mm"] = "24",
        ["in"] = "0.945"
    },
    {
        ["id"] = "28.08",
        ["aliases"] = { [[28.08mm]] },
        ["dflt1"] = "met",
        ["mm"] = "28.08",
        ["in"] = "1.106"
    },
    {
        ["id"] = "28.6",
        ["aliases"] = { [[1.125]], [[1.125in]], [[1.125"]] },
        ["dflt1"] = "imp",
        ["in"] = "1.125",
        ["mm"] = "28.6"
    },
    {
        ["id"] = "29.9",
        ["aliases"] = { [[1.177]], [[1.177in]], [[1.177"]] },
        ["dflt1"] = "imp",
        ["in"] = "1.177",
        ["mm"] = "29.9"
    },
    {
        ["id"] = "30",
        ["aliases"] = { [[30mm]] },
        ["dflt1"] = "met",
        ["mm"] = "30",
        ["in"] = "1.181"
    },
    {
        ["id"] = "31.75",
        ["aliases"] = { [[1.25]], [[1.25in]], [[1.25"]] },
        ["dflt1"] = "imp",
        ["in"] = "1.25",
        ["mm"] = "31.75"
    },
    {
        ["id"] = "32",
        ["aliases"] = { [[32mm]] },
        ["dflt1"] = "met",
        ["mm"] = "32",
        ["in"] = "1.26"
    },
    {
        ["id"] = "32.96",
        ["aliases"] = { [[32.96mm]] },
        ["dflt1"] = "met",
        ["mm"] = "32.96",
        ["in"] = "1.298"
    },
    {
        ["id"] = "33",
        ["aliases"] = { [[33mm]] },
        ["dflt1"] = "met",
        ["mm"] = "33",
        ["in"] = "1.3"
    },
    {
        ["id"] = "35",
        ["aliases"] = { [[35mm]] },
        ["dflt1"] = "met",
        ["mm"] = "35",
        ["in"] = "1.378"
    },
    {
        ["id"] = "36.75",
        ["aliases"] = { [[36.75mm]] },
        ["dflt1"] = "met",
        ["mm"] = "36.75",
        ["in"] = "1.447"
    },
    {
        ["id"] = "44.45",
        ["aliases"] = { [[1.75in]], [[1.75"]] },
        ["dflt1"] = "imp",
        ["in"] = "1.75",
        ["mm"] = "44.45"
    },
    {
        ["id"] = "44.85",
        ["aliases"] = { [[1.766]], [[1.766in]], [[1.766"]] },
        ["dflt1"] = "imp",
        ["in"] = "1.766",
        ["mm"] = "44.85"
    },
    {
        ["id"] = "45",
        ["aliases"] = { [[45mm]] },
        ["dflt1"] = "met",
        ["mm"] = "45",
        ["in"] = "1.772"
    },
    {
        ["id"] = "49.2",
        ["aliases"] = { [[49.20mm]], [[49.2mm]] },
        ["dflt1"] = "met",
        ["mm"] = "49.20",
        ["in"] = "1.937"
    },
    {
        ["id"] = "45",
        ["aliases"] = { [[1.772]], [[1.772in]], [[1.772"]] },
        ["dflt1"] = "imp",
        ["in"] = "1.772",
        ["mm"] = "45"
    },
    {
        ["id"] = "50.8",
        ["aliases"] = { [[50.8mm]] },
        ["dflt1"] = "met",
        ["mm"] = "50.8",
        ["in"] = "2"
    },
    {
        ["id"] = "50.8",
        ["aliases"] = { [[2]], [[2in]], [[2"]] },
        ["dflt1"] = "imp",
        ["in"] = "2",
        ["mm"] = "50.8"
    },
    {
        ["id"] = "53.975",
        ["aliases"] = { [[2.125in]], [[2.125"]] },
        ["dflt1"] = "imp",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "8",
        ["mm"] = "53.975"
    },
    {
        ["id"] = "63",
        ["aliases"] = { [[63mm]] },
        ["dflt1"] = "met",
        ["mm"] = "63",
        ["in"] = "2",
        ["num"] = "15",
        ["den"] = "32"
    },
    {
        ["id"] = "63.5",
        ["aliases"] = { [[63.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "63.5",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "63.5",
        ["aliases"] = { [[2.5]], [[2.5in]], [[2.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "63.5"
    },
    {
        ["id"] = "64",
        ["aliases"] = { [[64]], [[64mm]] },
        ["dflt1"] = "met",
        ["mm"] = "64",
        ["in"] = "2",
        ["num"] = "17",
        ["den"] = "32",
    },
    {
      ["id"] = "70.69",
        ["aliases"] = { [[70.64mm]], [[70.69mm]] },
        ["dflt1"] = "imp",
        ["mm"] = "70.69",
        ["in"] = "2.781",
    },
    {
      ["id"] = "70.69",
        ["aliases"] = { [[2.781in]], [[2.781"]] },
        ["dflt1"] = "met",
        ["mm"] = "70.69",
        ["in"] = "2.781",
    },
    {
        ["id"] = "89",
        ["aliases"] = { [[89]], [[89mm]] },
        ["dflt1"] = "met",
        ["mm"] = "89",
        ["in"] = "3",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "89",
        ["aliases"] = { [[3.5]], [[3.5in]], [[3.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "3",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "89"
    },
    {
        ["id"] = "108",
        ["aliases"] = { [[108]], [[108mm]] },
        ["dflt1"] = "met",
        ["mm"] = "108",
        ["in"] = "4",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "121",
        ["aliases"] = { [[4.75]], [[4.75in]], [[4.75"]] },
        ["dflt1"] = "imp",
        ["in"] = "4",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "121"
    },
    {
        ["id"] = "127",
        ["aliases"] = { [[127]], [[127mm]] },
        ["dflt1"] = "met",
        ["mm"] = "127",
        ["in"] = "5"
    },
    {
        ["id"] = "127",
        ["aliases"] = { [[5in]], [[5"]] },
        ["dflt1"] = "imp",
        ["in"] = "5",
        ["mm"] = "127"
    },
    {
        ["id"] = "184",
        ["aliases"] = { [[184]], [[184mm]] },
        ["dflt1"] = "met",
        ["mm"] = "184",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "184",
        ["aliases"] = { [[7.25]], [[7.25in]], [[7.25"]] },
        ["dflt1"] = "imp",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "184"
    },
    {
        ["id"] = "190.5",
        ["aliases"] = { [[190.5mm]] },
        ["dflt1"] = "met",
        ["mm"] = "190.5",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "190.5",
        ["aliases"] = { [[7.5]], [[7.5in]], [[7.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "190.5"
    },
    {
        ["id"] = "210",
        ["aliases"] = { [[8.25]], [[8.25in]], [[8.25"]] },
        ["dflt1"] = "imp",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "210"
    },
    {
        ["id"] = "229",
        ["aliases"] = { [[9]], [[9in]], [[9"]] },
        ["dflt1"] = "imp",
        ["in"] = "9",
        ["mm"] = "229"
    },
    {
        ["id"] = "241",
        ["aliases"] = { [[9.5]], [[9.5in]], [[9.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "9",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "241"
    },
    {
        ["id"] = "254",
        ["aliases"] = { [[254]], [[254mm]] },
        ["dflt1"] = "met",
        ["mm"] = "254",
        ["in"] = "10"
    },
    {
        ["id"] = "254",
        ["aliases"] = { [[10]], [[10in]], [[10"]] },
        ["dflt1"] = "imp",
        ["in"] = "10",
        ["mm"] = "254"
    },
    {
        ["id"] = "260",
        ["aliases"] = { [[260]], [[260mm]], [[0.26m]] },
        ["dflt1"] = "met",
        ["mm"] = "260",
        ["in"] = "10",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "260",
        ["aliases"] = { [[10.25]], [[10.25in]], [[10.25"]] },
        ["dflt1"] = "imp",
        ["in"] = "10",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "260"
    },
    {
        ["id"] = "267",
        ["aliases"] = { [[10.5in]], [[10.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "10",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "267"
    },
    {
        ["id"] = "305",
        ["aliases"] = { [[305]], [[305mm]] },
        ["dflt1"] = "met",
        ["mm"] = "305",
        ["in"] = "12"
    },
    {
        ["id"] = "305",
        ["aliases"] = { [[12]], [[12in]], [[12"]] },
        ["dflt1"] = "imp",
        ["in"] = "12",
        ["mm"] = "305"
    },
    {
        ["id"] = "311",
        ["aliases"] = { [[311]], [[311mm]] },
        ["dflt1"] = "met",
        ["mm"] = "311",
        ["in"] = "12",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "311",
        ["aliases"] = { [[12.25]], [[12.25in]], [[12.25"]] },
        ["dflt1"] = "imp",
        ["in"] = "12",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "311"
    },
    {
        ["id"] = "350",
        ["aliases"] = { [[350mm]] },
        ["dflt1"] = "met",
        ["mm"] = "350",
        ["in"] = "13",
        ["num"] = "25",
        ["den"] = "32"
    },
    {
        ["id"] = "356",
        ["aliases"] = { [[356]], [[356mm]] },
        ["dflt1"] = "met",
        ["mm"] = "356",
        ["in"] = "14"
    },
    {
        ["id"] = "356",
        ["aliases"] = { [[14in]], [[14"]] },
        ["dflt1"] = "imp",
        ["in"] = "14",
        ["mm"] = "356"
    },
    {
        ["id"] = "381",
        ["aliases"] = { [[381]], [[381mm]] },
        ["dflt1"] = "met",
        ["mm"] = "381",
        ["in"] = "15"
    },
    {
        ["id"] = "381",
        ["aliases"] = { [[15]], [[15in]], [[15"]], [[1ft3in]], [[1'3"]] },
        ["dflt1"] = "imp",
        ["in"] = "15",
        ["mm"] = "381"
    },
    {
        ["id"] = "387",
        ["aliases"] = { [[15.25in]], [[15.25"]] },
        ["dflt1"] = "imp",
        ["mm"] = "387",
        ["in"] = "15",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "400",
        ["aliases"] = { [[400]], [[400mm]], [[0.4m]] },
        ["dflt1"] = "met",
        ["mm"] = "400",
        ["in"] = "15",
        ["num"] = "3",
        ["den"] = "4"
    },
    {
        ["id"] = "406",
        ["aliases"] = { [[16]], [[16in]], [[16"]], [[1ft4in]], [[1'4"]] },
        ["dflt1"] = "imp",
        ["in"] = "16",
        ["mm"] = "406"
    },
    {
        ["id"] = "410",
        ["aliases"] = { [[410mm]] },
        ["dflt1"] = "met",
        ["mm"] = "410",
        ["in"] = "16",
        ["num"] = "5",
        ["den"] = "32"
    },
    {
        ["id"] = "419",
        ["aliases"] = { [[16.5in]], [[16.5"]], [[1ft4.5in]], [[1'4.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "16",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "419"
    },
    {
        ["id"] = "432",
        ["aliases"] = { [[17]], [[17in]], [[17"]], [[1ft5in]], [[1'5"]], [[1.5ft]] },
        ["dflt1"] = "imp",
        ["in"] = "17",
        ["mm"] = "432"
    },
    {
        ["id"] = "450",
        ["aliases"] = { [[450]], [[450mm]] },
        ["dflt1"] = "met",
        ["mm"] = "450",
        ["in"] = "17",
        ["num"] = "23",
        ["den"] = "32"
    },
    {
        ["id"] = "457",
        ["aliases"] = { [[457]], [[457mm]] },
        ["dflt1"] = "met",
        ["mm"] = "457",
        ["in"] = "18"
    },
    {
        ["id"] = "457",
        ["aliases"] = { [[18]], [[18in]], [[18"]], [[1ft6in]], [[1'6"]], [[1.6ft]] },
        ["dflt1"] = "imp",
        ["in"] = "18",
        ["mm"] = "457"
    },
    {
        ["id"] = "483",
        ["aliases"] = { [[483]], [[483mm]] },
        ["dflt1"] = "met",
        ["mm"] = "483",
        ["in"] = "19"
    },
    {
        ["id"] = "483",
        ["aliases"] = { [[19]], [[19in]], [[19"]], [[1ft7in]], [[1'7"]] },
        ["dflt1"] = "imp",
        ["in"] = "19",
        ["mm"] = "483"
    },
    {
        ["id"] = "495",
        ["aliases"] = { [[19.5]], [[19.5in]], [[19.5"]], [[1ft7.5in]], [[1'7.5"]] },
        ["dflt1"] = "imp",
        ["in"] = "19",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "495"
    },
    {
        ["id"] = "500",
        ["aliases"] = { [[500]], [[500mm]], [[0.5m]] },
        ["dflt1"] = "met",
        ["mm"] = "500",
        ["in"] = "19",
        ["num"] = "3",
        ["den"] = "4"
    },
    {
        ["id"] = "508",
        ["aliases"] = { [[508]], [[508mm]] },
        ["dflt1"] = "met",
        ["mm"] = "508",
        ["in"] = "20"
    },
    {
        ["id"] = "508",
        ["aliases"] = { [[20]], [[20in]], [[20"]], [[1ft8in]], [[1'8"]] },
        ["dflt1"] = "imp",
        ["in"] = "20",
        ["mm"] = "508"
    },
    {
        ["id"] = "533",
        ["aliases"] = { [[21in]], [[21"]], [[1ft9in]], [[1'9"]] },
        ["dflt1"] = "imp",
        ["in"] = "21",
        ["mm"] = "533"
    },
    {
        ["id"] = "550",
        ["aliases"] = { [[550mm]] },
        ["dflt1"] = "met",
        ["mm"] = "550",
        ["in"] = "21",
        ["num"] = "21",
        ["den"] = "32"
    },
    {
        ["id"] = "557",
        ["aliases"] = { [[557mm]] },
        ["dflt1"] = "met",
        ["mm"] = "557",
        ["in"] = "21",
        ["num"] = "15",
        ["den"] = "16"
    },
    {
        ["id"] = "559",
        ["aliases"] = { [[559]], [[559mm]] },
        ["dflt1"] = "met",
        ["mm"] = "559",
        ["ft"] = "1",
        ["in"] = "10"
    },
    {
        ["id"] = "559",
        ["aliases"] = { [[22]], [[22in]], [[22"]], [[1ft10in]], [[1'10"]] },
        ["dflt1"] = "imp",
        ["ft"] = "1",
        ["in"] = "10",
        ["mm"] = "559"
    },
    {
        ["id"] = "578",
        ["aliases"] = { [[578]], [[578mm]] },
        ["dflt1"] = "met",
        ["mm"] = "578",
        ["ft"] = "1",
        ["in"] = "10",
        ["num"] = "3",
        ["den"] = "4"
    },
    {
        ["id"] = "578",
        ["aliases"] = { [[22.75]], [[22.75in]], [[22.75"]], [[1ft10.75in]], [[1'10.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "1",
        ["in"] = "10",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "578"
    },
    {
        ["id"] = "597",
        ["aliases"] = { [[597]], [[597mm]] },
        ["dflt1"] = "met",
        ["mm"] = "597",
        ["ft"] = "1",
        ["in"] = "11",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "597",
        ["aliases"] = { [[23.5]], [[23.5in]], [[23.5"]], [[1ft11.5in]], [[1'11.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "1",
        ["in"] = "11",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "597"
    },
    {
        ["id"] = "600",
        ["aliases"] = { [[600]], [[600mm]], [[0.6m]] },
        ["dflt1"] = "met",
        ["mm"] = "600",
        ["ft"] = "1",
        ["in"] = "11",
        ["num"] = "5",
        ["den"] = "8"
    },
    {
        ["id"] = "603",
        ["aliases"] = { [[603]], [[603mm]] },
        ["dflt1"] = "met",
        ["mm"] = "603",
        ["ft"] = "1",
        ["in"] = "11",
        ["num"] = "3",
        ["den"] = "4"
    },
    {
        ["id"] = "603",
        ["aliases"] = { [[23.75]], [[23.75in]], [[23.75"]], [[1ft11.75in]], [[1'11.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "1",
        ["in"] = "11",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "603"
    },
    {
        ["id"] = "610",
        ["aliases"] = { [[610]], [[610mm]] },
        ["dflt1"] = "met",
        ["mm"] = "610",
        ["ft"] = "2"
    },
    {
        ["id"] = "610",
        ["aliases"] = { [[24]], [[24in]], [[24"]], [[2ft]], [[2']] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["mm"] = "610"
    },
    {
        ["id"] = "613",
        ["aliases"] = { [[24.125]], [[24.125in]], [[24.125"]], [[2ft0.125in]], [[2'0.125"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["num"] = "1",
        ["den"] = "8",
        ["mm"] = "613"
    },
    {
        ["id"] = "622",
        ["aliases"] = { [[622]], [[622mm]] },
        ["dflt1"] = "met",
        ["mm"] = "622",
        ["ft"] = "2",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "620",
        ["aliases"] = { [[620mm]] },
        ["dflt1"] = "met",
        ["mm"] = "620",
        ["in"] = "24",
        ["num"] = "13",
        ["den"] = "32"
    },
    {
        ["id"] = "622",
        ["aliases"] = { [[24.5]], [[24.5in]], [[24.5"]], [[2ft0.5in]], [[2'0.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "622"
    },
    {
        ["id"] = "660",
        ["aliases"] = { [[26]], [[26in]], [[26"]], [[2ft2in]], [[2'2"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "2",
        ["mm"] = "660"
    },
    {
        ["id"] = "686",
        ["aliases"] = { [[686]], [[686mm]] },
        ["dflt1"] = "met",
        ["mm"] = "686",
        ["ft"] = "2",
        ["in"] = "3"
    },
    {
        ["id"] = "686",
        ["aliases"] = { [[27]], [[27in]], [[27"]], [[2ft3in]], [[2'3"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "3",
        ["mm"] = "686"
    },
    {
        ["id"] = "699",
        ["aliases"] = { [[27.5]], [[27.5in]], [[27.5"]], [[2ft3.5in]], [[2'3.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "3",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "699"
    },
    {
        ["id"] = "700",
        ["aliases"] = { [[700]], [[700mm]], [[0.7m]] },
        ["dflt1"] = "met",
        ["mm"] = "700",
        ["ft"] = "2",
        ["in"] = "3",
        ["num"] = "9",
        ["den"] = "16"
    },
    {
        ["id"] = "705",
        ["aliases"] = { [[27.75]], [[27.75in]], [[27.75"]], [[2ft3.75in]], [[2'3.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "3",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "705"
    },
    {
        ["id"] = "711",
        ["aliases"] = { [[711]], [[711mm]] },
        ["dflt1"] = "met",
        ["mm"] = "711",
        ["ft"] = "2",
        ["in"] = "4"
    },
    {
        ["id"] = "711",
        ["aliases"] = { [[28]], [[28in]], [[28"]], [[2ft4in]], [[2'4"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "4",
        ["mm"] = "711"
    },
    {
        ["id"] = "716",
        ["aliases"] = { [[716mm]] },
        ["dflt1"] = "met",
        ["mm"] = "716",
        ["in"] = "28",
        ["num"] = "3",
        ["den"] = "16"
    },
    {
        ["id"] = "724",
        ["aliases"] = { [[28.5]], [[28.5in]], [[28.5"]], [[2ft4.5in]], [[2'4.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "4",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "724"
    },
    {
        ["id"] = "737",
        ["aliases"] = { [[29]], [[29in]], [[29"]], [[2ft5in]], [[2'5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "5",
        ["mm"] = "737"
    },
    {
        ["id"] = "750",
        ["aliases"] = { [[750]], [[750mm]], [[0.75m]] },
        ["dflt1"] = "met",
        ["mm"] = "750",
        ["ft"] = "2",
        ["in"] = "5",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "750",
        ["aliases"] = { [[29.5]], [[29.5in]], [[29.5"]], [[2ft5.5in]], [[2'5.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "5",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "750"
    },
    {
        ["id"] = "760",
        ["aliases"] = { [[760]], [[760mm]], [[bosnian]] },
        ["name"] = "Bosnian gauge",
        ["link"] = "[[Bosnian gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "760",
        ["ft"] = "2",
        ["in"] = "5",
        ["num"] = "15",
        ["den"] = "16"
    },
    {
        ["id"] = "762",
        ["aliases"] = { [[30]], [[30in]], [[30"]], [[2ft6in]], [[2'6"]], [[2.5ft]], [[imperial]], [[twofootsixinchgaugerailways]] }, -- no name, no link (formerly [[Imperial gauge]])
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "6",
        ["mm"] = "762"
    },
    {
        ["id"] = "762",
        ["aliases"] = { [[762]], [[762mm]] },
        ["dflt1"] = "met",
        ["mm"] = "762",
        ["ft"] = "2",
        ["in"] = "6"
    },
-- imperial & 2ft6in here (now Dec 2013 testing below)
    {
        ["id"] = "765",
        ["aliases"] = { [[765]], [[765mm]] },
        ["dflt1"] = "met",
        ["mm"] = "765",
        ["ft"] = "2",
        ["in"] = "6",
        ["num"] = "1",
        ["den"] = "8"
    },
    {
        ["id"] = "775",
        ["aliases"] = { [[30.5]], [[30.5in]], [[30.5"]], [[2ft6.5in]], [[2'6.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "6",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "775"
    },
    {
        ["id"] = "783",
        ["aliases"] = { [[783]], [[783mm]] },
        ["dflt1"] = "met",
        ["mm"] = "783",
        ["ft"] = "2",
        ["in"] = "6.83"
    },
    {
        ["id"] = "785",
        ["aliases"] = { [[785]], [[785mm]] },
        ["dflt1"] = "met",
        ["mm"] = "785",
        ["ft"] = "2",
        ["in"] = "6",
        ["num"] = "29",
        ["den"] = "32"
    },
    {
        ["id"] = "791",
        ["aliases"] = { [[791mm]] },
        ["dflt1"] = "met",
        ["mm"] = "791",
        ["in"] = "31",
        ["num"] = "5",
        ["den"] = "32"
    },
    {
        ["id"] = "800",
        ["aliases"] = { [[800]], [[800mm]], [[0.8m]] },
        ["dflt1"] = "met",
        ["mm"] = "800",
        ["ft"] = "2",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "800",
        ["aliases"] = { [[31.5]], [[31.5in]], [[31.5"]], [[2ft7.5in]], [[2'7.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "800"
    },
    {
        ["id"] = "802",
        ["aliases"] = { [[802]], [[802mm]] },
        ["dflt1"] = "met",
        ["mm"] = "802",
        ["ft"] = "2",
        ["in"] = "7",
        ["num"] = "9",
        ["den"] = "16"
    },
    {
        ["id"] = "813",
        ["aliases"] = { [[32]], [[32in]], [[32"]], [[2ft8in]], [[2'8"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "8",
        ["mm"] = "813"
    },
    {
        ["id"] = "820",
        ["aliases"] = { [[820]], [[820mm]] },
        ["dflt1"] = "met",
        ["mm"] = "820",
        ["ft"] = "2",
        ["in"] = "8",
        ["num"] = "9",
        ["den"] = "32"
    },
    {
        ["id"] = "825",
        ["aliases"] = { [[32.5]], [[32.5in]], [[32.5"]], [[2ft8.5in]], [[2'8.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "825"
    },
    {
        ["id"] = "838",
        ["aliases"] = { [[838]], [[838mm]] },
        ["dflt1"] = "met",
        ["mm"] = "838",
        ["ft"] = "2",
        ["in"] = "9"
    },
    {
        ["id"] = "838",
        ["aliases"] = { [[33]], [[33in]], [[33"]], [[2ft9in]], [[2'9"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "9",
        ["mm"] = "838"
    },
    {
        ["id"] = "850",
        ["aliases"] = { [[850]], [[850mm]] },
        ["dflt1"] = "met",
        ["mm"] = "850",
        ["ft"] = "2",
        ["in"] = "9",
        ["num"] = "15",
        ["den"] = "32"
    },
    {
        ["id"] = "857",
        ["aliases"] = { [[33.75]], [[33.75in]], [[33.75"]], [[2ft9.75in]], [[2'9.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "9",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "857"
    },
    {
        ["id"] = "860",
        ["aliases"] = { [[860]], [[860mm]] },
        ["dflt1"] = "met",
        ["mm"] = "860",
        ["ft"] = "2",
        ["in"] = "9",
        ["num"] = "27",
        ["den"] = "32"
    },
    {
        ["id"] = "864",
        ["aliases"] = { [[34]], [[34in]], [[34"]], [[2ft10in]], [[2'10"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "10",
        ["mm"] = "864"
    },
    {
        ["id"] = "864",
        ["aliases"] = { [[864]], [[864mm]] },
        ["dflt1"] = "met",
        ["mm"] = "864",
        ["ft"] = "2",
        ["in"] = "10"
    },
    {
        ["id"] = "876",
        ["aliases"] = { [[34.5]], [[34.5in]], [[34.5"]], [[2ft10.5in]], [[2'10.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "10",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "876"
    },
    {
        ["id"] = "889",
        ["aliases"] = { [[35]], [[35in]], [[35"]], [[2ft11in]], [[2'11"]] },
        ["dflt1"] = "imp",
        ["ft"] = "2",
        ["in"] = "11",
        ["mm"] = "889"
    },
    {
        ["id"] = "891",
        ["aliases"] = { [[891]], [[891mm]] },
        ["dflt1"] = "met",
        ["mm"] = "891",
        ["ft"] = "2",
        ["in"] = "11",
        ["num"] = "3",
        ["den"] = "32"
    },
    {
        ["id"] = "900",
        ["aliases"] = { [[900]], [[900mm]], [[0.9m]] },
        ["dflt1"] = "met",
        ["mm"] = "900",
        ["ft"] = "2",
        ["in"] = "11",
        ["num"] = "7",
        ["den"] = "16"
    },
    {
        ["id"] = "914",
        ["aliases"] = { [[914]], [[914mm]] },
        ["dflt1"] = "met",
        ["mm"] = "914",
        ["ft"] = "3"
    },
    {
        ["id"] = "914",
        ["aliases"] = { [[36]], [[36in]], [[36"]], [[3]], [[3ft]], [[3']] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["mm"] = "914"
    },
    {
        ["id"] = "925",
        ["aliases"] = { [[925]], [[925mm]] },
        ["dflt1"] = "met",
        ["mm"] = "925",
        ["ft"] = "3",
        ["num"] = "13",
        ["den"] = "32"
    },
    {
        ["id"] = "940",
        ["aliases"] = { [[37]], [[37in]], [[37"]], [[3ft1in]], [[3'1"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "1",
        ["mm"] = "940"
    },
    {
        ["id"] = "943",
        ["aliases"] = { [[37.125]], [[37.125in]], [[37.125"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "1",
        ["num"] = "1",
        ["den"] = "8",
        ["mm"] = "943"
    },
    {
        ["id"] = "950",
        ["aliases"] = { [[950]], [[950mm]] },
        ["dflt1"] = "met",
        ["mm"] = "950",
        ["ft"] = "3",
        ["in"] = "1",
        ["num"] = "3",
        ["den"] = "8"
    },
    {
        ["id"] = "955",
        ["aliases"] = { [[955]], [[955mm]] },
        ["dflt1"] = "met",
        ["mm"] = "955",
        ["ft"] = "3",
        ["in"] = "1",
        ["num"] = "19",
        ["den"] = "32"
    },
    {
        ["id"] = "965",
        ["aliases"] = { [[38]], [[38in]], [[38"]], [[3ft2in]], [[3'2"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "2",
        ["mm"] = "965"
    },
    {
        ["id"] = "965",
        ["aliases"] = { [[965]], [[965mm]] },
        ["dflt1"] = "met",
        ["mm"] = "965",
        ["ft"] = "3",
        ["in"] = "2"
    },
    {
        ["id"] = "972",
        ["aliases"] = { [[38.25]], [[38.25in]], [[38.25"]], [[3ft2.25in]], [[3'2.25"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "972"
    },
    {
        ["id"] = "985",
        ["aliases"] = { [[985mm]] },
        ["dflt1"] = "met",
        ["mm"] = "985",
        ["in"] = "38",
        ["num"] = "25",
        ["den"] = "32"
    },
    {
        ["id"] = "1000",
        ["aliases"] = { [[39.375]], [[39.375in]], [[39.375"]], [[3ft3.375in]], [[3'3.75"]] },
        ["name"] = "metre gauge",
        ["link"] = "[[metre gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "3",
        ["num"] = "3",
        ["den"] = "8",
        ["mm"] = "1000"
    },
    {
        ["id"] = "1009",
        ["aliases"] = { [[1009]], [[1009mm]] },
        ["name"] = "metre gauge",
        ["link"] = "[[metre gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1009",
        ["ft"] = "3",
        ["in"] = "3",
        ["num"] = "23",
        ["den"] = "32"
    },
    {
        ["id"] = "1016",
        ["aliases"] = { [[1016]], [[1016mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1016",
        ["ft"] = "3",
        ["in"] = "4"
    },
    {
        ["id"] = "1016",
        ["aliases"] = { [[40]], [[40in]], [[40"]], [[3ft4in]], [[3'4"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "4",
        ["mm"] = "1016"
    },
    {
        ["id"] = "1029",
        ["aliases"] = { [[40.5]], [[40.5in]], [[40.5"]], [[3ft4.5in]], [[3'4.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "4",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1029"
    },
    {
        ["id"] = "1035",
        ["aliases"] = { [[40.75]], [[40.75in]], [[40.75"]], [[3ft4.75in]], [[3'4.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "4",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "1035"
    },
    {
        ["id"] = "1050",
        ["aliases"] = { [[1050]], [[1050mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1050",
        ["ft"] = "3",
        ["in"] = "5",
        ["num"] = "11",
        ["den"] = "32"
    },
    {
        ["id"] = "1055",
        ["aliases"] = { [[1055]], [[1055mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1055",
        ["ft"] = "3",
        ["in"] = "5",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "1055",
        ["aliases"] = { [[41.5]], [[41.5in]], [[41.5"]], [[3ft5.5in]], [[3'5.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "5",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1055"
    },
    {
        ["id"] = "1062",
        ["aliases"] = { [[1062]], [[1062mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1062",
        ["ft"] = "3",
        ["in"] = "5",
        ["num"] = "13",
        ["den"] = "16"
    },
    {
        ["id"] = "1065",
        ["aliases"] = { [[1065mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1065",
        ["ft"] = "3",
        ["in"] = "5",
        ["num"] = "15",
        ["den"] = "16"
    },
    {
        ["id"] = "1067",
        ["aliases"] = { [[1067]], [[1067mm]] },
        ["name"] = "Cape gauge",
        ["link"] = "[[Cape gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1067",
        ["ft"] = "3",
        ["in"] = "6"
    },
    {
        ["id"] = "1067",
        ["aliases"] = { [[42]], [[42in]], [[3ft6in]], [[3.6ft]], [[3'6"]], [[cape]] },
        ["name"] = "Cape gauge",
        ["link"] = "[[Cape gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "6",
        ["mm"] = "1067"
    },
    {
        ["id"] = "1093",
        ["aliases"] = { [[1093]], [[1093mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1093",
        ["ft"] = "3",
        ["in"] = "7"
    },
    {
        ["id"] = "1093",
        ["aliases"] = { [[43]], [[43in]], [[3ft7in]], [[3.7ft]], [[3'7"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "7",
        ["mm"] = "1093"
    },
    {
        ["id"] = "1100",
        ["aliases"] = { [[1100]], [[1100mm]], [[1.1m]] },
        ["dflt1"] = "met",
        ["mm"] = "1100",
        ["ft"] = "3",
        ["in"] = "7",
        ["num"] = "7",
        ["den"] = "16"
    },
    {
        ["id"] = "1106",
        ["aliases"] = { [[1106]], [[1106mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1106",
        ["ft"] = "3",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "1106",
        ["aliases"] = { [[43.5]], [[43.5in]], [[43.5"]], [[3ft7.5in]], [[3'7.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1106"
    },
    {
        ["id"] = "1124",
        ["aliases"] = { [[44.25]], [[44.25in]], [[44.25"]], [[3ft8.25in]], [[3'8.25"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "1124"
    },
    {
        ["id"] = "1130",
        ["aliases"] = { [[44.5]], [[44.5in]], [[44.5"]], [[3ft8.5in]], [[3'8.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1130"
    },
    {
        ["id"] = "1143",
        ["aliases"] = { [[45]], [[45in]], [[45"]], [[3ft9in]], [[3'9"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "9",
        ["mm"] = "1143"
    },
    {
        ["id"] = "1156",
        ["aliases"] = { [[45.5]], [[45.5in]], [[45.5"]], [[3ft9.5in]], [[3'9.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "9",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1156"
    },
    {
        ["id"] = "1188",
        ["aliases"] = { [[1188]], [[1188mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1188",
        ["ft"] = "3",
        ["in"] = "10",
        ["num"] = "25",
        ["den"] = "32"
    },
    {
        ["id"] = "1194",
        ["aliases"] = { [[47]], [[47in]], [[47"]], [[3ft11in]], [[3'11"]] },
        ["dflt1"] = "imp",
        ["ft"] = "3",
        ["in"] = "11",
        ["mm"] = "1194"
    },
    {
        ["id"] = "1200",
        ["aliases"] = { [[1200]], [[1200mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1200",
        ["ft"] = "3",
        ["in"] = "11",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "1217",
        ["aliases"] = { [[1217]], [[1217mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1217",
        ["ft"] = "3",
        ["in"] = "11",
        ["num"] = "29",
        ["den"] = "32"
    },
    {
        ["id"] = "1219",
        ["aliases"] = { [[1219]], [[1219mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1219",
        ["ft"] = "4"
    },
    {
        ["id"] = "1219",
        ["aliases"] = { [[48]], [[48in]], [[48"]], [[4]], [[4ft]], [[4']] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["mm"] = "1219"
    },
    {
        ["id"] = "1245",
        ["aliases"] = { [[1245]], [[1245mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1245",
        ["ft"] = "4",
        ["in"] = "1"
    },
    {
        ["id"] = "1245",
        ["aliases"] = { [[49]], [[49in]], [[49"]], [[4ft1in]], [[4'1"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "1",
        ["mm"] = "1245"
    },
    {
        ["id"] = "1257",
        ["aliases"] = { [[49.5]], [[49.5in]], [[49.5"]], [[4ft1.5in]], [[4'1.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "1",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1257"
    },
    {
        ["id"] = "1270",
        ["aliases"] = { [[1270]], [[1270mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1270",
        ["ft"] = "4",
        ["in"] = "2"
    },
    {
        ["id"] = "1270",
        ["aliases"] = { [[50]], [[50in]], [[50"]], [[4ft2in]], [[4'2"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "2",
        ["mm"] = "1270"
    },
    {
        ["id"] = "1295",
        ["aliases"] = { [[1295]], [[1295mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1295",
        ["ft"] = "4",
        ["in"] = "3"
    },
    {
        ["id"] = "1295",
        ["aliases"] = { [[51]], [[51in]], [[51"]], [[4ft3in]], [[4'3"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "3",
        ["mm"] = "1295"
    },
    {
        ["id"] = "1300",
        ["aliases"] = { [[1300mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1300",
        ["in"] = "51",
        ["num"] = "3",
        ["den"] = "16"
    },
    {
        ["id"] = "1321",
        ["aliases"] = { [[52]], [[52in]], [[52"]], [[4ft4in]], [[4'4"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "4",
        ["mm"] = "1321"
    },
    {
        ["id"] = "1333",
        ["aliases"] = { [[52.5]], [[52.5in]], [[52.5"]], [[4ft4.5in]], [[4'4.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "4",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1333"
    },
    {
        ["id"] = "1350",
        ["aliases"] = { [[1350mm]] },
        ["mm"] = "1350",
        ["dflt1"] = "met",
        ["ft"] = "4",
        ["in"] = "5",
        ["num"] = "5",
        ["den"] = "32"
    },
    {
        ["id"] = "1372",
        ["aliases"] = { [[1372]], [[1372mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1372",
        ["ft"] = "4",
        ["in"] = "6"
    },
    {
        ["id"] = "1372",
        ["aliases"] = { [[54]], [[54in]], [[54"]], [[4ft6in]], [[4'6"]], [[scotch]] },
        ["name"] = "Scotch gauge",
        ["link"] = "[[Scotch gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "6",
        ["mm"] = "1372"
    },
    {
        ["id"] = "1384",
        ["aliases"] = { [[54.5]], [[54.5in]], [[54.5"]], [[4ft6.5in]], [[4'6.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "6",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1384"
    },
    {
        ["id"] = "1410",
        ["aliases"] = { [[55.5]], [[55.5in]], [[55.5"]], [[4ft7.5in]], [[4'7.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "7",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1410"
    },
    {
        ["id"] = "1416",
        ["aliases"] = { [[55.75]], [[55.75in]], [[55.75"]], [[4ft7.75in]], [[4'7.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "7",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "1416"
    },
    {
        ["id"] = "1422",
        ["aliases"] = { [[1422]], [[1422mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1422",
        ["ft"] = "4",
        ["in"] = "8"
    },
    {
        ["id"] = "1422",
        ["aliases"] = { [[56]], [[56in]], [[56"]], [[4ft8in]], [[5'8"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "8",
        ["mm"] = "1422"
    },
    {
        ["id"] = "1429",
        ["aliases"] = { [[56.25]], [[56.25in]], [[56.25"]], [[4ft8.25in]], [[4'8.25"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "8",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "1429"
    },
    {
        ["id"] = "1432",
        ["aliases"] = { [[1432]], [[1432mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1432",
        ["ft"] = "4",
        ["in"] = "8",
        ["num"] = "3",
        ["den"] = "8"
    },
    {
        ["id"] = "1440",
        ["aliases"] = { [[1440]], [[1440mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1440",
        ["ft"] = "4",
        ["in"] = "8",
        ["num"] = "11",
        ["den"] = "16"
    },
    {
        ["id"] = "1445",
        ["aliases"] = { [[1445]], [[1445mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1445",
        ["ft"] = "4",
        ["in"] = "8",
        ["num"] = "7",
        ["den"] = "8"
    },
    {
        ["id"] = "1448",
        ["aliases"] = { [[57]], [[57in]], [[57"]], [[4ft9in]], [[4'9"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "9",
        ["mm"] = "1448"
    },
    {
        ["id"] = "1450",
        ["aliases"] = { [[1450]], [[1450mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1450",
        ["ft"] = "4",
        ["in"] = "9",
        ["num"] = "3",
        ["den"] = "32"
    },
    {
        ["id"] = "1458",
        ["aliases"] = { [[1458]], [[1458mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1458",
        ["ft"] = "4",
        ["in"] = "9",
        ["num"] = "13",
        ["den"] = "32"
    },
    {
        ["id"] = "1460",
        ["aliases"] = { [[57.5]], [[57.5"]], [[57.5in]], [[4ft9.5in]], [[4'9.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "9",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1460"
    },
    {
        ["id"] = "1473",
        ["aliases"] = { [[1473]], [[1473mm]] },
        ["name"] = "Ohio gauge",
        ["link"] = "[[Ohio gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1473",
        ["ft"] = "4",
        ["in"] = "10"
    },
    {
        ["id"] = "1473",
        ["aliases"] = { [[58]], [[58"]], [[58in]], [[4ft10in]], [[4'10"]], [[ohio]] },
        ["name"] = "Ohio gauge",
        ["link"] = "[[Ohio gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "10",
        ["mm"] = "1473"
    },
    {
        ["id"] = "1492",
        ["aliases"] = { [[58.75]], [[58.75in]], [[58.75"]], [[4ft10.75in]], [[4'10.75"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "10",
        ["num"] = "3",
        ["den"] = "4",
        ["mm"] = "1492"
    },
    {
        ["id"] = "1495",
        ["aliases"] = { [[1495]], [[1495mm]], [[toronto]] },
        ["name"] = "Toronto gauge",
        ["link"] = "[[Toronto gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1495",
        ["ft"] = "4",
        ["in"] = "10",
        ["num"] = "7",
        ["den"] = "8"
    },
    {
        ["id"] = "1495",
        ["aliases"] = { [[58.875]], [[58.875in]], [[58.875"]], [[4ft10.875in]], [[4'10.875"]] },
        ["dflt1"] = "imp",
        ["ft"] = "4",
        ["in"] = "10",
        ["num"] = "7",
        ["den"] = "8",
        ["mm"] = "1495"
    },
    {
        ["id"] = "1500",
        ["aliases"] = { [[1500]], [[1500mm]], [[1.5m]] },
        ["dflt1"] = "met",
        ["mm"] = "1500",
        ["ft"] = "4",
        ["in"] = "11",
        ["num"] = "1",
        ["den"] = "16"
    },
    {
        ["id"] = "1524",
        ["aliases"] = { [[1524]], [[1524mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1524",
        ["ft"] = "5"
    },
    {
        ["id"] = "1524",
        ["aliases"] = { [[60]], [[60in]], [[60"]], [[5]], [[5ft]], [[5']] },
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["mm"] = "1524"
    },
    {
        ["id"] = "1537",
        ["aliases"] = { [[60.5]], [[60.5in]], [[60.5"]], [[5ft0.5in]], [[5'0.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1537"
    },
    {
        ["id"] = "1575",
        ["aliases"] = { [[62]], [[62in]], [[62"]], [[5ft2in]], [[5'2"]] },
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["in"] = "2",
        ["mm"] = "1575"
    },
    {
        ["id"] = "1580",
        ["aliases"] = { [[62.1875]], [[62.1875in]], [[62.1875"]], [[5ft2.1875in]], [[5'2.1875"]] },
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["in"] = "2",
        ["num"] = "3",
        ["den"] = "16",
        ["mm"] = "1580"
    },
    {
        ["id"] = "1581",
        ["aliases"] = { [[1581]], [[1581mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1581",
        ["ft"] = "5",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "1581",
        ["aliases"] = { [[62.25]], [[62.25in]], [[62.25"]], [[5ft2.25in]], [[5'2.25"]], [[pennsylvanian]], [[pennsylvania]] },
        ["name"] = "Pennsylvanian trolley gauge",
        ["link"] = "[[Pennsylvanian trolley gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "1581"
    },
    {
        ["id"] = "1588",
        ["aliases"] = { [[1588]], [[1588mm]] },
        ["name"] = "Pennsylvanian trolley gauge",
        ["link"] = "[[Pennsylvanian trolley gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1588",
        ["ft"] = "5",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "1588",
        ["aliases"] = { [[62.5]], [[62.5in]], [[62.5"]], [[5ft2.5in]], [[5'2.5"]] },
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["in"] = "2",
        ["num"] = "1",
        ["den"] = "2",
        ["mm"] = "1588"
    },
    {
        ["id"] = "1600",
        ["aliases"] = { [[1600]], [[1600mm]], [[1.6m]], [[irish]] },
        ["name"] = "Irish gauge",
        ["link"] = "[[Irish gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1600",
        ["ft"] = "5",
        ["in"] = "3"
    },
    {
        ["id"] = "1600",
        ["aliases"] = { [[63]], [[63in]], [[63"]], [[5ft3in]], [[5'3"]] },
        ["name"] = "Irish gauge",
        ["link"] = "[[Irish gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["in"] = "3",
        ["mm"] = "1600"
    },
    { -- Split from 1600mm Irish:
        ["id"] = "1600",
        ["aliases"] = {[[victorian]] },
        ["name"] = "Victorian broad gauge",
        ["link"] = "[[Victorian broad gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1600",
        ["ft"] = "5",
        ["in"] = "3"
    },
    {
        ["id"] = "1638",
        ["aliases"] = { [[1638mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1638",
        ["ft"] = "5",
        ["in"] = "4",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "1664",
        ["aliases"] = { [[1664]], [[1664mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1664",
        ["ft"] = "5",
        ["in"] = "5",
        ["num"] = "1",
        ["den"] = "2"
    },
    {
        ["id"] = "1672",
        ["aliases"] = { [[1672]], [[1672mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1672",
        ["ft"] = "5",
        ["in"] = "5",
        ["num"] = "13",
        ["den"] = "16"
    },
    {
        ["id"] = "1676",
        ["aliases"] = { [[1676]], [[1676mm]] },
        ["name"] = "Indian gauge",
        ["link"] = "[[Indian gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "1676",
        ["ft"] = "5",
        ["in"] = "6"
    },
    {
        ["id"] = "1676",
        ["aliases"] = { [[66]], [[66in]], [[66"]], [[5ft6in]], [[5'6"]], [[5.5ft]], [[provincial]], [[indian]] },
        ["name"] = "Indian gauge",
        ["link"] = "[[Indian gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "5",
        ["in"] = "6",
        ["mm"] = "1676"
    },
    {
        ["id"] = "1680",
        ["aliases"] = { [[1680]], [[1680mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1680",
        ["ft"] = "5",
        ["in"] = "6",
        ["num"] = "5",
        ["den"] = "32"
    },
    {
        ["id"] = "1727",
        ["aliases"] = { [[68in]] },
        ["dflt1"] = "imp",
        ["in"] = "68",
        ["mm"] = "1727"
    },
    {
        ["id"] = "1750",
        ["aliases"] = { [[1750]], [[1750mm]], [[1.75m]] },
        ["dflt1"] = "met",
        ["m"] = "1.75",
        ["ft"] = "5",
        ["in"] = "8",
        ["num"] = "7",
        ["den"] = "8"
    },
    {
        ["id"] = "1829",
        ["aliases"] = { [[1829]], [[1829mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1829",
        ["ft"] = "6"
    },
    {
        ["id"] = "1829",
        ["aliases"] = { [[72]], [[72in]], [[72"]], [[6]], [[6ft]], [[6']] },
        ["dflt1"] = "imp",
        ["ft"] = "6",
        ["mm"] = "1829"
    },
    {
        ["id"] = "1850",
        ["aliases"] = { [[1850mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1850",
        ["in"] = "73"
    },
    {
        ["id"] = "1880",
        ["aliases"] = { [[1880]], [[1880mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1880",
        ["ft"] = "6",
        ["in"] = "2"
    },
    {
        ["id"] = "1880",
        ["aliases"] = { [[74]], [[74in]], [[74"]], [[6ft2in]], [[6'2"]] },
        ["dflt1"] = "imp",
        ["ft"] = "6",
        ["in"] = "2",
        ["mm"] = "1880"
    },
    {
        ["id"] = "1945",
        ["aliases"] = { [[1945]], [[1945mm]] },
        ["dflt1"] = "met",
        ["mm"] = "1945",
        ["ft"] = "6",
        ["in"] = "4",
        ["num"] = "9",
        ["den"] = "16"
    },
    {
        ["id"] = "2000",
        ["aliases"] = { [[2000]], [[2000mm]], [[2m]] },
        ["dflt1"] = "met",
        ["mm"] = "2000",
        ["ft"] = "6",
        ["in"] = "6",
        ["num"] = "3",
        ["den"] = "4"
    },
    {
        ["id"] = "2140",
        ["aliases"] = { [[2140]], [[2140mm]], [[2.140m]], [[2.14m]] },
        ["name"] = "Brunel gauge",
        ["link"] = "[[Brunel gauge]]",
        ["dflt1"] = "met",
        ["mm"] = "2140",
        ["ft"] = "7",
        ["num"] = "1",
        ["den"] = "4"
    },
    {
        ["id"] = "2134",
        ["aliases"] = { [[exact7ft]], [[7ftexact]], [[7ft0in]] },
        ["dflt1"] = "imp",
        ["mm"] = "2134",
        ["ft"] = "7",
        ["in"] = "0"
    },
    {
        ["id"] = "2140",
        ["aliases"] = { [[84]], [[84in]], [[84"]], [[7]], [[7ft]], [[7']], [[84.25]], [[84.25in]], [[84.25"]], [[7ft0.25in]], [[7'0.25"]], [[brunel]] },
        ["name"] = "Brunel gauge",
        ["link"] = "[[Brunel gauge]]",
        ["dflt1"] = "imp",
        ["ft"] = "7",
        ["num"] = "1",
        ["den"] = "4",
        ["mm"] = "2140"
    },
    {
        ["id"] = "2400",
        ["aliases"] = { [[8ft]] },
        ["dflt1"] = "imp",
        ["ft"] = "8",
        ["mm"] = "2400"
    },
    {
        ["id"] = "3000",
        ["aliases"] = { [[3000]], [[3000mm]], [[3m]] },
        ["dflt1"] = "met",
        ["m"] = "3",
        ["ft"] = "9",
        ["in"] = "10",
        ["num"] = "1",
        ["den"] = "8"
    },
    {
        ["id"] = "3048",
        ["aliases"] = { [[120]], [[120in]], [[120"]], [[10ft]], [[10']] },
        ["dflt1"] = "imp",
        ["ft"] = "10",
        ["mm"] = "3048"
    },
    {
        ["id"] = "8200",
        ["aliases"] = { [[8200mm]] },
        ["mm"] = "8200",
        ["dflt1"] = "met",
        ["ft"] = "26",
        ["in"] = "10",
        ["num"] = "27",
        ["den"] = "32"
    }
}