War Hearing Aid "B" Battery (small)
This 33 volt "B" battery was produced during the Second
World War (1939-1945) for use in vacuum tube hearing aids.
This battery measured 1˝" by 1⅜" by 4" high. It weighed 6.3 oz.
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Front view of the War B battery.
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The reverse side of this War B battery states, "This battery is produced in
accordance with War Production Board orders and is designed to be
suitable for use with any make of hearing aid device which requires for
its operation a battery of this voltage and which is equipped with
suitable connectors."
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Top view of the War B battery showing the three pin configuration. The
negative terminal is the bottom left and the 33 volt positive terminal
is at the bottom right. |
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Bottom of the War B battery with the letters "YDTX" stamped into the
bottom. |
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The large and small war batteries side by side to show their relative
sizes.
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