Western Electric Model 36A (Audiphone) Carbon Hearing Aid
The Western Electric Model 36A carbon hearing aid was manufactured by
the Western Electric Company in 1932.
It consisted of two parts, a 616C carbon microphone, and a 584A
miniature receiver.
Batteries were contained in a separate battery case (not shown).
Operating voltage was typically 4˝ volts.
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Front view of the Model 616C carbon microphone. It was 2⅜” in diameter
and weighted only 3 oz. |
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Rear
view of the Model 616C carbon microphone. It attached to the clothing by
the metal clip (top center). |
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The Model 584A miniature earpiece
(receiver) with a stock earmold attached (left) and the Model 60B on-off
switch and sliding volume control (rheostat) (right). |
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A close-up of the Model 584A miniature receiver (left) with a stock ear mold (right).
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