Horn-gap, choke-coil protector for alternating-current lines.

Alternating Current

Horn-gap, choke-coil protector for alternating-current lines.

A Multigap alternating-current arrester with series resistance arranged for pole mounting.

Arrester

A Multigap alternating-current arrester with series resistance arranged for pole mounting.

An illustration showing the distribution losses in a small, alternating current central station.

Power Lines

An illustration showing the distribution losses in a small, alternating current central station.