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no date - locomotive headlight bulbs are given a terrific bumping on this unique testing machine which duplicates the rough motion of a locomotive engine

TAILOR-MADE BUMPS

CD 1964008 E&MP25.064

Electric Lamps

no date

Locomotive headlight bulbs are given a terrific bumping on this unique testing machine which duplicates the rough motion of a locomotive engine. Research engineers of the Westinghouse Lamp Company at the Bloomfield, (New Jersey) Plant, subject the bulbs to the machine’s tailor-made bumps until the bulbs fail.

These research studies assist engineers in improving the design of the lamps which, in turn, make for greater safety of train crews and passengers 


Original Caption by Science Service
Westinghouse



National Museum of American History

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