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.

 

Ear Trumpets (Ear Horns)

Globe Audi-Aid

This Audi-Aid was manufactured by the Globe Phone Mfg. Co. of Boston, MA. in 1920.

It consists of a cone opening (top) with a diaphragm ear piece set at right angles (right) and a handle to hold it up to your ear.

With the handle, it weighed 5.2 oz. (148 g).

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View of the Globe Audi-Aid with the handle pulled down the extended position as it would be when used.

You held the Audi-Aid earphone part flat against your ear with the cone facing forward.

Because of the diaphragm ear piece, they offer considerable gain in the high frequencies.


 

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Close-up view of the Globe Audi-Aid showing the earphone side with the diaphragm visible in the central hole.

The earphone measured 2 7/16" (6.2 cm) in diameter. The hole was ⅞" (2.2 cm) in diameter.

Notice how similar the Globe Audi-Aid is to the earlier E. B. Meyrowitz Otophones.


 

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Front view of the Globe Audi-Aid looking into the mouth of the bell. The bell was 2⅝" (6.7 cm) in diameter.

 


 

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Front view of the Globe Audi-Aid with the handle in the collapsed position.

 


 

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Rear view of the Globe Audi-Aid showing the earphone part that you held against your ear.

 


 

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View of the Globe Audi-Aid with the handle in the extended position.

 


 

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View of the Globe Audi-Aid showing how the handle was held onto the neck of the Audi-Aid by the spring clip. It is here shown pulled off.

 


 

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View of the Globe Audi-Aid handle in its collapsed position.

The handle felt relatively heavy for its size—weighing in at 2.8 oz. (80 g).

It collapsed down to an overall length of 6⅞" (17.4 cm). The handle was ˝" (1.3 cm) in diameter.

 

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View of the Globe Audi-Aid handle in its extended position.

When extended, it had an overall length of 10⅜" (26.2 cm).


 

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Rear view of the earphone of the Globe Audi-Aid showing the manufacturer. The raised inscription reads "GLOBE PHONE MFG CO.".

This dates this Audi-Aid to 1920 as the company changed their name from the Globe Ear-Phone Co to the Globe Phone Mfg Co. in January, 1920.

It couldn't have been later, as in 1921 they moved to Reading, MA from Boston. (See picture below.)
 

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Rear view of the earphone of the Globe Audi-Aid showing that it was manufactured in Boston, MA. The last part of the word "Boston" is at the lower left of the earphone part.

 

 


 

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