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

Wood/Hard Rubber Conversation Tube

This conversation tube has no maker's markings or date information on it.

However judging by the style of the earpiece, this conversation tube dates from somewhere around 1860 to 1880 or so.



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A view of the wood/hard rubber conversation tube. The overall length of this conversation tube including earpiece and bell is 55¾". This is considerably longer than many of the other conversation tubes in the museum.


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Close-up of the earpiece. The earpiece is 3¾" long. It was made of hard rubber. The sulfur gradually coming out of the hard rubber over the years gives it the brownish color.

Notice that this ear piece has a right-angled tip. This kind of tip was used on earlier conversation tubes.


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Close-up of the wooden bell. The bell is 3¾" long and is 1⅞" in diameter. The wood used was likely lignum vitae, which is both hard and black.




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