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On-line Hearing Aid Museum |
Hearing Aids of all types—Ear
Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids,
Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing
Aids and much more! |
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Click on the "General
Information" button (top button above) for an overview and general
information on this category of hearing aid. |
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Body Type Transistor Hearing Aids |
Radioear Model 840 “Lady America" Hearing Aid
The Radioear Model 840 "Lady America" hearing aid, manufactured by Radioear
Corporation of Pennsylvania, in 1956 is an unusual barrette or clip-on
style of hearing aid.
The hearing aid measures 2⅜" by 1⅜" and is ˝" thick. It weighs 3 oz.
with its battery.
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Click picture for larger view |
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The hearing aid consists of three parts, one that
houses the electronics and battery compartment (left), one that houses the
microphone (right), and a clip that goes in between the two hearing aid pieces
(middle).
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Click picture for larger view |
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The module containing the electronics, the 625 battery (top left) and
the volume control (bottom left). |
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Click picture for larger view |
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A unique feature of this hearing aid is that the same two components
(electronics/battery case and microphone case) used in this hearing aid
plug into the temple pieces of special Radioear eyeglass frames to form the
Model
840 eyeglass style hearing aid (right).
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Click picture for larger view |
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