Westinghouse Arc Lamps and Lighting Systems (1916)
Westinghouse Electric & Manufacturing Company · Westinghouse Electric & Manufacturing Company · leaf 81
Mast ArmPulley Clamp Knob witH High Voltage Insulator Inner-Eope Pulley Clamp Knob wlihTriple Insulation Arm 50 10 $1.66 50 13 2.55 60 14 8.00 50 17 3.45 50 10 $1.65 50 13 2.55 50 14r 8.00 50 17 3.45 50 17 8.46 … MAST ARM PULLEYS A modification of tlie lamp-supporting pulley, havingan extra strong single piece clamp» which fits the ironpipe of a mast arm and which also forms the headpiece,so that the strain rods can be run direct to it. For iy4-inch (Bore) Pipe 20786 With clamp Icnob only 20787 With high…
Street lighting · Arc lamps · Transformers · Electrical engineering · Lighting · Exterior Lighting · Low Voltage Electrical Transmission
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