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Posted March 19. 2014 1:15PM

Scientific American: Great Inventions from 1864 - The Cog Railway

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The first cog railway, or rack-and-pinion railway, was patented in 1811. The cog railway shown here was developed by Sylvester Marsh, who overcame much skepticism to open a railway up the slopes of Mount Washington in New Hampshire in 1868.....[ More ]