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  2. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    A worldwide garden railroad scale. Corresponds to NEM III and NMRA 3 ⁄ 4 inch. -1:12: 4 + 3 ⁄ 4 in (121 mm) North America specific scale corresponding to NMRA 1-inch scale. 1:12 is one of the most popular backyard railway scales. -1:11: 5 in (127 mm) Used outside North America. Corresponds to NEM V. One of the most popular garden railway ...

  3. List of track gauges - Wikipedia

    en.wikipedia.org/wiki/List_of_track_gauges

    Standard gauge is defined both in metric and in imperial units. It is also the best-known gauge worldwide; 55% of the world uses this track. In 2020, China’s rail network is standard gauge, with around 79,685 km (49,514 mi) of line. [92] 1,440 mm 4 ft 8 + 11 ⁄ 16 in: Switzerland

  4. Rail transport modelling scales - Wikipedia

    en.wikipedia.org/.../Rail_transport_modelling_scales

    This scale is today the most popular modelling scale in the UK, although it once had some following in the US (on 19 mm / 0.748 in gauge track) before World War II. 00 or "Double-Oh", together with EM gauge and P4 standards are all to 4 mm scale as the scale is the same, but the track standards are incompatible. 00 uses the same track as HO (16 ...

  5. G scale - Wikipedia

    en.wikipedia.org/wiki/G_scale

    1:29 G scale boxcar by Aristo-Craft on G gauge track 1:32 scale 2-bay offset hopper by Mainline America. G scale or G gauge, also called large scale (45 mm or 1 + 3 ⁄ 4 inches), is a track gauge for model railways which is often used for outdoor garden railways because of its size and durability.

  6. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    The straight-line distance between the central point on the map to any other point is the same as the straight-line 3D distance through the globe between the two points. c. 150 BC: Stereographic: Azimuthal Conformal Hipparchos* Map is infinite in extent with outer hemisphere inflating severely, so it is often used as two hemispheres.

  7. World Map 1:2,500,000 - Wikipedia

    en.wikipedia.org/wiki/World_Map_1:2,500,000

    The production of a 1:2,500,000 scale map of the world had been discussed since the late 1940's, partly because many cartographers were dissatisfied with the work on the International Map of the World (or Millionth Map, after its scale of 1:1,000,000).

  8. 5 ft and 1520 mm gauge railways - Wikipedia

    en.wikipedia.org/wiki/5_ft_and_1520_mm_gauge...

    Rail transport in Belarus: Bulgaria Only at Varna ferry terminal for train ferries to Odesa and Poti; dual gauge track for changing wagon bogies with standard gauge ones, and parallel transhipping tracks of 1,520 mm and 1,435 mm (4 ft 8 + 1 ⁄ 2 in) gauge. China Several short stretches from Russia, Mongolia and Kazakhstan. Estonia Rail ...

  9. Narrow-gauge railway - Wikipedia

    en.wikipedia.org/wiki/Narrow-gauge_railway

    A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge. Most narrow-gauge railways are between 600 mm ( 1 ft 11 + 5 ⁄ 8 in ) and 1,067 mm ( 3 ft 6 in ).