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1938 -  lightning stroke wore itself out without shattering the assembled transmission pole

TOO KNOTTY FOR JOVE

E&MP 72.095

Artificial Lightning

ca. 1938

This lightning stroke wore itself out without shattering the assembled transmission pole, because the wood was knotty and hard, enabling it to withstand the electrical blow. Westinghouse high voltage laboratory, Sharon, Pa.

248719 No. 6

Original Caption by Science Service
Westinghouse



National Museum of American History

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