Mount Washington Cog Railway
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The Mount Washington Cog Railway, also known as the Cog, is the world's first mountain-climbing cog railway. The railway climbs Mount Washington in New Hampshire, United States. It uses a Marsh rack s
Train M-7 Kenison ascending the railway
Track to the summit in 1893
Share of the Mount Washington Railway Company, issued June 13, 1895
From November through early May, the Mt. Washington Cog Railway does not run to the summit. Instead, the winter destination is Waumbek Station.
Rack railway
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A rack railway is a steep grade railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more cog wheels or pinions that mesh with this rack rail. This al
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…
The Pilatus Railway is the steepest rack railway in the world, with a maximum gradient of 48% and an average gradient of 35%.
Blenkinsop rack and pinion with teeth on outer side of one rail only
The Marsh rack and pinion system
The Riggenbach rack system