A System of Sheaves, and Cogs, Connected by Fiber Ropes
This system of sheaves and cogs are part of the water brake. The water brake was used to control the descent velocity of rail cars moving down the slope. Engine House No. 6 is listed on the National Register of Historic Places, as part of the Allegheny Portage Railroad National Historic Site.Galleries:Allegheny Portage Railroad, MachineryKeywords:allegheny portage railroad, cogs, engine, engine house, gallitzin, pennsylvania, sheaves, steam-powered engine, water brakePhoto Location: Allegheny Portage Railroad National Historic Site, PennsylvaniaPhotographer: Dr. Roy WinkelmanDate of Photo: 11/25/2011Device Make: CanonDevice Model: Canon EOS 5D Mark IIOriginal Dimensions: 5235×3135Picture Orientation: LandscapeGPS Coordinates: 40°27'22.18"N 78°33'01.88"WPicture Number: 15806
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