Insulating materials : vulcabeston controller parts, field spools, bushings, etc. ... (1894)
H. W. Johns Mfg. Co. · H. W. Johns Mfg. Co. · leaf 22
eye. Also furnished with threadedend for attachment to our Giant Strain Insulators. BRACKET ARMS. For wood poles. With plain 1% or 2-inch pipe arm andi 4 or 1 ,-iuch adjustable brace, complete with plates andlag screws for attaching to pole. Also bracket arms with flexible span wire feature… … \ - m This insulator offers a valuable protection against the dan-gers and losses which result from the abrasion of electriclight and feeder wires. It is made of Moulded Mica, in halves.and is readily attached to the wire and held in place, as illus-trated in the cut. The insulation of the wire is…
Electricity · Electrical utilities · Insulators
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