— Exceedingly rare Pocket Battery No.1. Sold!

A pocket device with an open jar containing liquid acid? What a crazy idea.... Whitall-Tatum-and-Co.-Pocket-Battery-no.1 For the 19th century a truly pocket size machine, just very unpractical as the open jar with the liquid acid had to be emptied after each use to be moved. Manufactured by Whitall Tatum & Co. the Mahogany case of this “Pocket Battery no.1” measures only 4 by 3 by 1-1/2 inches!
Two patents protected this crazy invention of which this example seems to be the only one that survived; read more>>

Posted on 03 May 2023, 01:03 - Category: Scientific Instruments
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