Photo, Print, Drawing 40. 1911 ELECTRIC MOTOR INSTALLATION: Photocopy of July 1911 photograph showing the installed 600hp General Electric motor at the Washington and Mason Streets powerhouse. View towards the south wall of the first floor. Note the engineer's shack and switchboard behind the motor and its pinion gear. Credit MUNI. - San Francisco Cable Railway, Washington & Mason Streets, San Francisco, San Francisco County, CA Photos from Survey HAER CA-12

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