Eveready B123 Hearing Aid "B" Battery
This
Eveready 30 volt BATRYMAX Model B123 hearing aid "B" battery was
a British-made battery.
It was used in
1-piece vacuum tube hearing aids in the late 1940s and early 1950s.
It
weighed 1.5 oz., and measured 2˝" x 1" x ⅝".
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Rear view of the Eveready B123 battery.
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Side view of the Eveready B123 battery showing the positive and negative
ends.
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Opposite side view of the Eveready B123 battery showing British patent
number (536869), "Made in Britain", etc.
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Top view of the Eveready B123 battery showing the red color-coded
positive terminal.
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Bottom view of the Eveready B123 battery showing the blue color-coded
negative terminal.
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