No. 963. 17 Fletchers Traveling Suspension Pulleys With Automatic Sustaining Device. (PATENTED.) … The prices namedbelow include adoublewheel polepulley and auto-matic travelingpulley as shown,and a small centerpulley, whichmakes a completeset. Draws lamp from center of street and lowers itnear pole. Very useful where lamps are suspendedover trolley wires.
Electrical Equipment · Electric lighting · Gas Lighting · Low-voltage distribution equipment · Manufactured wiring assemblies · Wiring connections · Wiring devices · Exterior Lighting · Lighting poles and standards · Exterior gas lighting
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.