Eveready No. 935 (Size C) Hearing Aid/Flashlight Battery
The
Eveready No. 935 C-size battery was made by the National Carbon Company,
a division of what is now Union Carbide Corp. of New
York, NY probably in the 1960s.
It was a 1˝ volt C-sized battery that was used in some carbon and
vacuum tube hearing aids in the 1930s and 1940s.
It
weighed 1.1 oz. (34 g), and measured 1 15/16" tall by 1" in diameter.
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Front view of the Eveready No. 935 battery showing the model number near
the top center. Near the bottom it reads, "National Carbon Co., Inc.
Unit of Union Carbide and Carbon Corp. Made in U.S.A.".
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Left side view of the Eveready No. 935 battery showing the size (C) and
the best used by date (July, 1939).
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Top view of the Eveready No. 935 battery showing the
positive terminal.
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Bottom view of the Eveready No. 935 battery showing the
negative terminal.
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The Canadian version of the Eveready No. 935 battery. This one was
probably from the 1950s.
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Front view of the Canadian version of the Eveready No. 935 battery
showing the black cat with the 9 lives implying
this battery lasted for a long time.
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Rear view of the Canadian version of the Eveready No. 935 battery showing their
guarantee. The guarantee reads, "If your flashlight is damaged by
this battery, send flashlight and batteries to National Carbon, Dept. H,
Toronto 4, and we will mail to you, free, a new flashlight complete with
batteries".
At the bottom it says, "Division of Union Carbide Canada Limited".
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Left side view of the Canadian version of the Eveready No. 935 battery
showing the model number (935) and the size (C) and "Made in Canada".
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Top view of the Canadian version of the Eveready No. 935 battery showing the
positive terminal.
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Bottom view of the Canadian version of the Eveready No. 935 battery showing the
negative terminal.
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