Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

The 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.

 

Vacuum Tube Hearing Aids: 1921-1953

Silvertone Model M-35 Vacuum Tube Hearing Aid

Sears, Roebuck & Co of Chicago, IL began selling hearing aids under the Silvertone trade name in 1949. Sears did not make their own hearing aids but had various manufacturers make models for them under their trade name.

The Silvertone Model M-35 was made by The Micronic Corp. and is similar to Micronic's own Model 101.

This Silvertone model was  4⅛ " x 2¼" x 1" and weighed 4½ oz.

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Top view of the Silvertone M-35 showing the on-off/3 position tone control (left) and volume control (right).


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The battery compartment hinges from the bottom to give access to the "A" battery (bottom) and "B" battery
(top). The number "M948" is stamped on the baffle that separates the "A" and "B" batteries.

 

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The Silvertone M-35 in its original box.

 

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Outside view of the Silvertone case.

 


 

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