a website collaboration between Science Service and the Smithsonian Institution

1940 - twelve thousand lamps a day are now passing through this aging test


CD 1963085 E&MP 25.022

Electric Lamps

Mar 23, 1940

Racks upon racks of luscious-colored fluorescent lamps are being constantly filled, tested and emptied at the General Electric Fluorescent Lamp Works, Nela Park, where increased production has made possible a list price reduction averaging 15 per cent, effective March 1.

Twelve thousand lamps a day are now passing through this "aging" test. Girls run an induction coil, and sometimes their hands up and down the lamps to light them as if by magic.

Foreign gasses in the lamps are thus cleaned up and the lamps leveled off so that when sold they will start normally.

Original Caption by Science Service
General Electric

National Museum of American History


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