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  2. The Secret City - Wikipedia

    en.wikipedia.org/wiki/The_Secret_City

    The Secret City was a television series designed to teach children how to draw. [1] The series was produced by Maryland Public Television and aired on PBS [2] and TVOntario in the late 1980s. The series starred Mark Kistler as Commander Mark who led viewers through various drawing exercises and examples. It also featured other characters ...

  3. Art Academy (video game) - Wikipedia

    en.wikipedia.org/wiki/Art_Academy_(video_game)

    Art Academy, also known as Art Academy: Learn painting and drawing techniques with step-by-step training in the PAL regions and Artistic Taste Classroom DS [a] in Japan, is an art training software for the Nintendo DS. It was developed by Headstrong Games and published by Nintendo.

  4. Railway roundhouse - Wikipedia

    en.wikipedia.org/wiki/Railway_roundhouse

    With such a setup, trains needing to reverse direction can use a technique known as a "run around," in which the engines are uncoupled from the train, pull around it on an adjacent track or siding, and reattach at the other end. The engineer changes operating ends from the original locomotive to the one on the opposite end of the locomotive ...

  5. History of the railway track - Wikipedia

    en.wikipedia.org/wiki/History_of_the_railway_track

    The two lengths were loaded on ten wagons, attached to the existing track by a steel rope and drawn back at 30 ft/min (9.1 m/min). As the train moved back, the old rails were levered out and the new ones dropped into the chairs. A hoist on the rear wagon dropped the last part of the rail into place. [26]

  6. Third rail (model rail) - Wikipedia

    en.wikipedia.org/wiki/Third_rail_(model_rail)

    A key advantage for three-rail track is balloon loops, where a train enters a loop through a turnout and then exits through the same turnout in order to change the train's direction. With two-rail track, when the track reverses on itself, this causes a short circuit. With three-rail track, because the center rail remains constant and the outer ...

  7. Baltimore and Ohio Railroad locomotives - Wikipedia

    en.wikipedia.org/wiki/Baltimore_and_Ohio...

    "Old Maude" from a Baltimore and Ohio postcard. Another innovation was the introduction of Mallet locomotives. Economies in haulage could be achieved by reducing the number of locomotives and trains needed, so ever more powerful locomotives were always sought. In 1904 [3] [4] #2400 (renumbered #7000 in 1915), a 0-6-6-0 design, was introduced ...

  8. Steam locomotive components - Wikipedia

    en.wikipedia.org/wiki/Steam_locomotive_components

    Hose for conveying force to train brakes by a differential in air pressure. Contains either high-pressure compressed air or air at lower than atmospheric pressure (vacuum), depending on whether the locomotive has an air brake or vacuum brake system. [6]: 483–486 [3]: 1 Water compartment Tank for water to be used by the boiler to produce steam.

  9. History of rail transport - Wikipedia

    en.wikipedia.org/wiki/History_of_rail_transport

    The first passenger train in South India ran from Royapuram / Veyasarapady to Wallajah Road on 1 July 1856, for a distance of 60 miles. It was built and operated by Madras Railway. [ 109 ] On 24 February 1873, the first tramway (a horse-drawn tramway ) opened in Calcutta between Sealdah and Armenian Ghat Street, a distance of 3.8 km. [ 110 ]