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

Siemens? No. X43 R656 Hearing Aid Battery

The Siemens? No. X43 R656 battery was a 3-volt carbon-zinc hearing aid battery. It was used in carbon hearing aids around 1925.

The Siemens? No. X43 R656 battery weighed 6¼ oz, and measured 2¾" high by 2⅜" wide by 13/16" thick.

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Top view of the Siemens? No. X43 R656 battery showing the two battery terminals placed along one side of the top rather than in the center as was more usual.


 

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Close up view of the Siemens? No. X43 R656 battery terminals.


 

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Bottom view of the Siemens? No. X43 R656 battery showing the number marked on it.

 


 

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