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The Hearing Aid Museum |
Hearing Aids of all types—Ear
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Aids and much more! |
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information on this category of hearing aid. |
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Rayovac 357 Mercury Hearing Aid Battery
This Rayovac 357 1.4 volt (?mercury) hearing aid battery was
made by Rayovac Corp. of Madison, WI. probably around 1955.
This battery weighed around 0.05 oz. (<1 g), and measured 0.455" in
diameter by 0.205" in height (1.15 x 0.5 cm).
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Click picture for larger view |
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Top view of the Rayovac No. 357 hearing aid battery showing the
negative terminal.
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Click picture for larger view |
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Bottom view of the Rayovac No. 357 hearing aid battery showing the model
no. (357), the manufacturer's name (Rayovac), the
positive terminal indicator (+) and at the bottom "Made in USA".
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Click picture for larger view |
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Side view of the Rayovac No. 357 hearing aid battery.
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