14. VIEW OF OPERATING VALVE TO HYDRAULIC CYLINDER,...

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14. VIEW OF OPERATING VALVE TO HYDRAULIC CYLINDER, SHOWING CAR OPERATING ROPE SHELVE, FIXED SHEAVES OF CYLINDER JUST VISIBLE BEHIND AIR CHAMBER PIPE; RISING THROUGH FLOOR ARE WATER DISCHARGE PIPE TO SEWER (LEFT) AND WATER SUPPLY FROM STREET MAIN (RIGHT); WATER CONSUMPTION METER MOUNTED TO WALL ABOVE OPERATING SHELVE - 72 Marlborough Street, Residential Hydraulic Elevator, Boston, Suffolk County, MA
  • 4 x 5 in.

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