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1958 - Pfc Marvin L Swain demonstrated a battery vest to keep dry cells warm and active for US Army radio operators in extremely cold weather

BATTERY VEST

CD 2055025 E&MP3.009

Batteries

May 12, 1958

A battery vest to keep dry cells warm and active for US Army radio operators in extremely cold weather is being developed by the US Army Signal Research and Development Laboratory at Fort Monmouth, NJ. It is worn beneath a parka to keep batteries efficient despite the effect of cold on electro-chemical action.

Use of body warmth to keep the chill out of dry cells is not unlike the practice of penguins, which brood their eggs by cradling them close to the skin.

The vest is demonstrated by Pfc Marvin L Swain, a technician at the Fort Monmouth laboratory. 


Original Caption by Science Service
U.S. Army



National Museum of American History

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