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 No. 915 (AA) Hearing Aid/Flashlight Battery

The Eveready No. 915 penlight battery was made by Union Carbide Corp. of New York, NY probably in the 1960s.

It was a 1˝ volt AA-sized battery that was used in some transistor body hearing aids in the 1960s and 1970s.

It weighed 0.5 oz. (14 g), and measured 1 15/16" tall by 9/16" in diameter.

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Front view of the Eveready No. 915 battery showing the model number near the top.

 


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Side view of the Eveready No. 915 battery showing the size (AA) and the cost at that time (20 cents).

 


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Top view of the Eveready No. 915 battery showing the positive terminal.

 


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Bottom view of the Eveready No. 915 battery showing the negative terminal.

 


 

 

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