Eveready 413E Hearing Aid "B" Battery
This
Eveready 30 volt Mini-Max hearing aid "B" battery was used mainly in
the larger 1-piece vacuum tube hearing aids in the late 1940s and early 1950s.
It
weighed 1.4 oz., and measured 2⅜" by 1" by ⅝".
Pictures of both an earlier version and a later version are shown
below. Pictured at the right is the later version.
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Front view of the older Eveready 413E battery.
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Side view of the Eveready 413E battery.
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Side view of the older Eveready 413E battery.
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Top view of the Eveready 413E battery with red color-coding for the
positive terminal
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Top view of the older Eveready 413E battery.
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Bottom view of the Eveready 413E battery with blue color-coding for
negative terminal.
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Bottom view of the older Eveready 413E battery.
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Click picture for larger view |
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