Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

The Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid.


Hearing Aid Batteries

Zenith Hearing Aid "A" Battery

This is a Zenith 1˝ volt hearing aid "A" battery used in Zenith vacuum tube hearing aids in the 1940s.

It weighed 6˝ oz., and measured 3⅞" in height by 1⅜" in diameter.

This battery was paired with a Zenith Z-30 45 volt "B" battery in 2-piece vacuum tube hearing aids.

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Top view of the Zenith "A" battery showing the 2-hole socket. Correct polarity was maintained as one hole was larger and the other smaller so you couldn't insert the plug backwards.



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