Watch Power Lines Free Online in CoPlay (1944)
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Watch Power Lines Free Online in CoPlay (1944)
Release Date
08 Apr, 1944
Runtime
00:16: (HH:MM)
Synopsis
The manufacture of cables for transmitting electric power is shown. Copper bars are rolled and drawn into wire, which is twisted into strands, and covered for insulation and protection with layers of rubber, lead, cloth and paper. The completed cables are then given high-voltage tests before being dispatched from the factory.
Original Title
Power Lines
Photos
Norman Shelley
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