Period

3 results for: electrical wire

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Electric locomotive of the Pensijlvania railroad, Electric locomotive of the Pennsylvania Rail
LZT26B09_358

Electric locomotive of the Pensijlvania railroad, ...

Protection of the voltage transformer, Protection of a transformer in an electrical wire,
LZT26A79_466

Protection of the voltage transformer, Protection ...

Earthing switches in electrical lines, Earthing switches of the 280 kV line, photograph, title:
LZT26B09_339

Earthing switches in electrical lines, Earthing sw...