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  2. Western Maryland Scenic Railroad 1309 - Wikipedia

    en.wikipedia.org/wiki/Western_Maryland_Scenic...

    Western Maryland Scenic Railroad 1309 is a compound articulated class "H-6" "Mallet" type steam locomotive with a 2-6-6-2 (Whyte notation) wheel arrangement. It was the very last steam locomotive built by the Baldwin Locomotive Works in 1949 and originally operated by the Chesapeake and Ohio Railway (C&O) where it pulled coal trains until its retirement in 1956.

  3. Pennsylvania Railroad class S1 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_S1

    The PRR S1 class steam locomotive (nicknamed "The Big Engine") was a single experimental duplex locomotive of the Pennsylvania Railroad. It was designed to demonstrate the advantages of duplex drives espoused by Baldwin Chief Engineer Ralph P. Johnson. The S1 class was the largest steam locomotive ever built. [ 1]

  4. South African Class 26 4-8-4 - Wikipedia

    en.wikipedia.org/wiki/South_African_Class_26_4-8-4

    The original locomotive from which the Class 26 was rebuilt entered service in 1953 as the last of the Class 25NC 4-8-4 Northern type locomotives to be built. The Class 25 condensing and Class 25NC non-condensing locomotives were designed by the South African Railways (SAR) under the direction of L.C. Grubb, Chief Mechanical Engineer of the SAR from 1949 to 1954, and in conjunction with ...

  5. Pikes Peak Cog Railway - Wikipedia

    en.wikipedia.org/wiki/Pikes_Peak_Cog_Railway

    Baldwin Locomotive Works Steam locomotive 10920/13324 0-4-2T Scrapped for parts Originally built as "Pike's Peak", rebuilt as a Vauclain Compound and numbered #3 in 3/1893 1st 4 5/1892 Baldwin Locomotive Works Steam locomotive 12681 0-4-2T Wrecked August 31, 1896, scrapped The smallest engine the railway owned, was known as the "little 4".

  6. Superheater - Wikipedia

    en.wikipedia.org/wiki/Superheater

    Superheater. A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. Superheated steam is used in steam turbines for electricity generation, in some steam engines, and in processes such as steam reforming. There are three types of superheaters: radiant, convection, and separately fired.

  7. Mount Washington Cog Railway - Wikipedia

    en.wikipedia.org/wiki/Mount_Washington_Cog_Railway

    The Mount Washington Cog Railway, also known as the Cog, is the world's first mountain-climbing cog railway (rack-and-pinion railway). The railway climbs Mount Washington in New Hampshire, United States. It uses a Marsh rack system and both steam and biodiesel -powered locomotives to carry tourists to the top of the mountain.

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