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Power Lines 1944 Gratis ubegrenset tilgang
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.
Sjanger: Documentary
Cast: Norman Shelley, Alvar Liddell
Mannskap: James E. Rogers (Director)
Ettromsleilighet: British Council, Merton Park Studios
Kjøretid: 16 minutter
Kvalitet: HD
Utgivelse: Apr 08, 1944
Land: United Kingdom
Språk:
Nøkkelord :
