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.


Conversation Tubes

The Vibraphone

This 38 inch conversation tube was listed in the 1922 Montgomery Ward catalogue as being like a conversation tube, but with an internal metal diaphragm inside to intensify the sound waves.

It came in two models. This more expensive silk one sold for $3.29.

The 2.25 inch bell opening is made of metal and the ear piece is hard rubber.


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The Vibraphone at the right is the cheaper mohair model. It sold for $2.85.


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A different, but similar conversation tube covered with multi-colored woven fabric.


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The Vibraphone in use. The man, William Foster, is speaking to his hard of hearing aunt, Bertha Foster, near Remus Michigan. This picture was taken in the 1920s.


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Here is the ad for the Vibraphone from Montgomery Ward's 1922 catalogue.




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