Sylvester Marsh (September 30, 1803 – December 30, 1884) was an American merchant and inventor who designed and built the Mount Washington Cog Railway.
Marsh invented many appliances that were incidental to meat packing, especially those having reference to the use of steam. He invented the dried-meal process, and “Marsh's caloric dried meal” was long an article of commerce.
In 1855, Marsh moved to Jamaica Plain, Massachusetts, and moved back to Chicago after five years. He resided a year in Brooklyn, New York, where he was an exporter, sending much of his dried meal product to the West Indies. In 1864, he settled in Littleton, New Hampshire, and after 1879 made Concord, New Hampshire, his residence.
In 1844, Marsh married Charlotte Bates, who died in 1850. In 1855, he married Cornelia Hoyt. Marsh died in December 1884, aged 81.
Notwithstanding all opposition, Marsh persisted in building the railroad, relying chiefly on his own resources, and received little capital investment until an engine was actually running over part of the route. The peculiar form of locomotive, Rack railway, and brakes used were invented by Marsh. The cog railway was formally opened on August 14, 1868, as far as “Jacob's ladder,” and entirely completed in July 1869. During the construction of this road, it was visited by a Swiss engineer, who took away drawings of the machinery and track, from which a similar railway, Rigi Railways, was built up Mount Rigi in Switzerland.
Cog railway
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