Sutter Street Railway
Encyclopedia
The Sutter Street Railway was originally a horsecar
Horsecar
A horsecar or horse-drawn tram is an animal-powered streetcar or tram.These early forms of public transport developed out of industrial haulage routes that had long been in existence, and from the omnibus routes that first ran on public streets in the 1820s, using the newly improved iron or steel...

 line in San Francisco. In 1877 the line was converted to cable car
Cable car (railway)
A cable car or cable railway is a mass transit system using rail cars that are hauled by a continuously moving cable running at a constant speed. Individual cars stop and start by releasing and gripping this cable as required...

 operation. The line introduced the side grip, and lever operation, both designed by Asa Hovey.

Sutter Street Railway's grip car 46 and trailer 54 have been preserved and are displayed in the San Francisco Cable Car Museum.
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