Amplifier, Telephone

A telephone amplifier fitted with a long metal shaft and a hinged earpiece. A rounded wooden handle is fitted on one end and a black fabric cord is attached to the earpiece. " BRUSH / MADE IN U.S.A / PATENT NOTICE / INSIDE " is marked on the reverse of the earpiece. " 12 " is handwritten on a paper label stuck to the earpiece.
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Object detail

Credit line
The original owner of this telephone amplifier is unknown but it was part of a collection built up by the Hearing Association of New Plymouth Inc.
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