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 Z-12-G Hearing Aid "B" Battery

This Zenith 22˝ volt hearing aid "B" battery was used in Zenith (and other) vacuum tube hearing aids from about 1948 to 1952.

It weighed 1˝ oz., and measured 2⅛" in height, 1 in width and ⅝" thick.

This battery was sometimes paired with an RM-3 1.4 volt mercury "A" battery in vacuum tube hearing aids.

It was also paired with the Zenith Z 1˝ volt "A" battery in the Zenith Regent vacuum tube hearing aid of 1952.

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Top end view of the Zenith Z-12-G "B" battery showing the positive terminal end. Notice the red "end" color denoting the positive terminal, as well as the black "+".

 

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Bottom end view of the Zenith Z-12-G "B" battery showing the negative terminal end. Notice the blue "end" color denoting the positive terminal, as well as the black "-".

 

 

 

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