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1938 - double exposure on camera's plate records both the stroke flash of man-made lightning

MAN HURLS A BOLT

E&MP 72.106

Artificial Lightning

June 1938

Double exposure on camera's plate records both the stroke flash of man-made lightning and the resultant splintering of a transmission pole during test in the Westinghouse high voltage laboratory at Sharon, Pa.

The cloud effect was caused by expansion of ionized gases inside the pole.

No. 1

Original Caption by Science Service
Westinghouse



National Museum of American History

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