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Finally, no journey to San Francisco would be complete without another mention of
those cable cars.
A steel rope is buried into the roads between the two rails, and the car operative operates a mechanism to grab and lock onto the cable and propel the car forward. A typical cable is around 8 miles long, and has a life expectancy of between 100-300 days. Corners, and changes in gradient are accomplished by an under road chamber in which the necessary pulleys are located. On the corner of Washington and Mason is the Cable Car museum, which provides a fascinating insight into these famous vehicles. |