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

Olin No. 0914 Hearing Aid "B" Battery

The Olin No 0914 hearing aid "B" battery was made by Olin Industries Ltd. or New Haven, CT. It was used in some vacuum tube hearing aids manufactured between 1947 and 1952.

This 15 volt battery weighed 0.8 oz and measured 1 7/16" high by 1" wide by ⅝" deep.

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Rear view of the Olin 0914 hearing aid battery.

 

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Side view of the Olin 0914 hearing aid battery.

Note that the top and bottom were color-coded to help prevent putting the battery in backwards and ruining the hearing aid.

 

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Top view of the Olin 0914 hearing aid battery. The top (+) was color-coded red.

 

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Bottom view of the Olin 0914 hearing aid battery. The bottom (-) was color-coded blue.

 


 

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