Hearing Aid

Hearing Aid

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Description
Hearing aid of the sort termed a conversation tube. The mouth and ear piece are made of bone.
Ref. George Tieman & Co., American Armamentarium Chirurgicum (New York, 1879), p. 53.
Charles Truax, The Mechanics of Surgery (Chicago, 1899), p. 796.
Location
Currently not on view
Object Name
hearing aid
ear trumpet
hearing aid, conversation tube
Physical Description
bone; fabric (overall material)
Measurements
overall: 1 5/8 in x 9 1/2 in x 12 7/8 in; 4.1275 cm x 24.13 cm x 32.7025 cm
overall: 28 1/2 in x 1 5/8 in; 72.39 cm x 4.1275 cm
ID Number
MG.M-10704
catalog number
M-10704
accession number
254866
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History
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