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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. |
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Teutonophone No. 1 Hearing Aid Battery
The Teutonophone No. 1, 3 volt battery was used in
Teutonophone hearing aids around 1930.
It only weighed 3½ oz., and measured 1⅝"
by ¾" by 2⅝" high.
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Click picture for larger view |
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The top view of the Teutonophone No. 1 battery showing the flat
spring contacts.
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