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

Eveready B123 Hearing Aid "B" Battery

This Eveready 30 volt BATRYMAX Model B123 hearing aid "B" battery was a British-made battery.

It was used in 1-piece vacuum tube hearing aids in the late 1940s and early 1950s.

It weighed 1.5 oz., and measured 2˝" x 1" x ⅝".

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Rear view of the Eveready B123 battery.


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Side view of the Eveready B123 battery showing the positive and negative ends.


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Opposite side view of the Eveready B123 battery showing British patent number (536869), "Made in Britain", etc.


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Top view of the Eveready B123 battery showing the red color-coded positive terminal.


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Bottom view of the Eveready B123 battery showing the blue color-coded negative terminal.

 


 

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