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1938 - lightning stroke broke out of its prescribed path, leaped through the air and cut a zig-zag path down the partition

RUNNING AMUCK

E&MP 72.075

Artificial Lightning

June 1938

Running amuck, this artificial lightning stroke broke out of its prescribed path, leaped through the air and cut a zig-zag path down the partition which protected the lightning investigator [lower right] in the Westinghouse high voltage laboratory at Sharon, Pa.

The engineer stood within two feet of the man-made bolt which carried 50,000 amperes of current at a pressure of more than 3,000,000 volts.

Only a fraction of the lightning stroke remained in the transmission pole.

see: 072.074

1604

Original Caption by Science Service
Westinghouse



National Museum of American History

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