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.

 

Hearing Aid Batteries

Acousticon No. 2-R Hearing Aid Battery

The Acousticon No. 2-R,  3 volt  battery was used in some carbon hearing aids from around 1910 through to the 1930s.

It weighed 6½ oz., and measured 2" by 1" by 3½" high.

In the Acousticon Battery price list of June 1, 1935 it is listed as selling for $0.45 each.

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Next

 
A newer version of the Acousticon 2R battery. This one weighs 8¾ oz.

 

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The top view of the Acousticon No. 2-R battery showing the battery contacts—actually threaded nuts so you could screw in the contact posts for the hearing aid you were using. The left side shows a post screwed in, while right side shows the battery terminal itself.

Incidentally, the two terminals have different sized holes so you couldn't accidentally hook the battery up the wrong way. The right contact is the larger size.

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This newer version of the Acousticon 2R battery has straight push-in sockets rather than screw sockets like the battery above. Again, the right socket is the larger size.

 

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Another view of the newer version of the Acousticon 2R battery.

 

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Rear view of another Acousticon 2-R battery showing advertising for a newer hearing aid. As is true today, the ad is long on hype and short on details. This ad reads:

Your Last Chance!

A short while ago we announced to old customers the opportunity of testing the New Model Acousticon free for 10 days. We expect shortly to cancel this offer, feeling that ample time has been given all. Before this is done, get yours. Call at one of our agents for a free demonstration or write to us for a 10-day trial—FREE. Mail a post-card today. Dept. B11.

Acousticon  220 W 42d St. New York, N. Y.

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