By the 1880's, the automatic, releasing cutoff engine of the Corliss type was practically standardized by its many U.S. manufacturers. Although far more complex than the simple slide-valve engine, the added first cost of a Corliss engine was outweighed by its economy of steam and thus, coal.Galleries:Machinery, Smithsonian Museum of American History, SteamKeywords:american history, corliss, district of columbia, engine, history, machinery, museum of american history, national museum of american history, smithsonian, steam, washington dcPhoto Location: National Museum of American History, Washington, DCPhotographer: Chad CullenDate of Photo: 06/27/2009Device Make: CanonDevice Model: Canon EOS 5DExposure Time: 1/20F Number: 28/10Original Dimensions: 2912×4368Picture Orientation: PortraitGPS Coordinates: 38°53'28.53"N 77°1'48.04"WPicture Number: 8088
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