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1944 - lightning arresters housed in transparent plastic cases are used by the Army

THUNDERSTORM DISCHARGE

CD 1966037 E&MP28.005

Electric Lightning

January 23, 1944

Lightning arresters housed in transparent plastic cases are used by the Army. During electrical discharges in thunderstorms, the glow of small neon tubes indicates satisfactory connections between aerials and ground.

The picture shows the arrester and transparent case. The electrodes sealed within are protected from weather, dirt and insects. 


Original Caption by Science Service
United States Army



National Museum of American History

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