Eveready 425-P Hearing Aid "B" Battery
This
Eveready 22˝ volt Mini-Max hearing aid "B" battery was used in
2-piece vacuum tube hearing aids in the 1940s.
It
weighed 4.1 oz., and measured 3⅞" by 1 3/16" by 1.
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Rear view of the Eveready 425-P battery. Eveready was a brand of the
Union Carbide Corp. of New York, NY.
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Side view of the Eveready 425-P battery.
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Top view of the Eveready 425-P battery showing the holes for the
3-pin battery cable plug.
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Bottom view of the Eveready 425-P battery.
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