Acousticon Model "A" Carbon Hearing Aid
This early model Acousticon carbon aid was
manufactured between 1905 and 1910 by the Hutchison Acoustic Company
(1904), which later became the General Acoustic Company
(1906).
This hearing aid consists of a round carbon microphone (with no volume
control), and an earphone with a detachable metal headband and an on-off
switch on the back. The model shown at the right is signed General
Acoustic Co. and was made sometime after 1906.
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The picture on the right shows the Acousticon Model A with the
battery attached.
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Another view of the complete Acousticon Model "A" hooked up to its
battery. |
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Close-up of the Acousticon Model "A" earphone. |
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The Acousticon Model "A" earphone showing the headband from
the front. |
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View of the Acousticon Model "A" earphone and headband from the back
showing the on/off switch on the right side. (See larger view.) |
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Rear view of the Acousticon Model "A" carbon microphone. |
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The Acousticon Model "A" carrying case. |
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This battery, which is an Acousticon No. 5 (3 volt)
was made by the Dictograph Corporation, the name of the company
which produced Acousticon Hearing Aids after 1918.
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