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PRR8157 — Rein Deer By John Souther
#engine #locomotive #railway #steam #railroar
Published: 2015-01-07 01:01:27 +0000 UTC; Views: 495; Favourites: 10; Downloads: 6
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Description
Another inside connected engine, built by John Souther's Globe Locomotive Works of Boston, Mass.Related content
Comments: 4
American locomotives in the early decades of the 19th century were well adorned, though typically ungainly if you ask me. I'd say it wasn't until the 1870s when the American steam locomotive became a thing of beauty, in its own way, comparable to the locomotives then running in the British Isles, like the Stirling Single, or the Highland Railway Duke Class.
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William Mason is generally credited for refining the appearance of the American locomotive, starting in the 1850s. By the 1870s every other builder had adopted his design principles of a balanced attractive locomotive.
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In America this type of arrangement was called a "Dutch Wagon". They lasted for a short period in the America's until the railroads figured out it was quicker and cheaper to fix valve gear that was on the outside to where you could get at and inside frame valve gear basically disappeared from American railroads.
American railroads abandoned inside frame valve gear so early that only one engine of this type made it into preservation and is now on display at the Museum of Transportation in St. Louis, Missouri.
steamlocomotive.com/misc/image…
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Connecting rods are separate from valve gear. While the connecting rods were moved outside the frames, valve gear remained between for many years. The Stephenson valve motion (inside) was predominant through the turn of the 20th century and continued in use to the end of steam.
The "John Bull" is another inside-connected engine that is preserved, in the Smithsonian.
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