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Category
Audiology
2
Collection
Sir Henry Wellcome's Museum Collection
2
Maker
Mears Ear Phone Co. (maker)
2
Object type
hearing aids
2
Place
New York
2
New York city, New York state, United States
2
Material
earpiece, aluminium
2
case, leatherette
1
case, leatherette, black
1
earpiece, iron (nickel plated)
1
hear piece, steel
1
lining, velvet, purple
1
microphone, metal
1
microphone, plastic
1
Date
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To
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Ear phone battery hearing aid
Ear phone battery hearing aid
1910-1940
Mears Aurasage battery hearing aid
Mears Aurasage battery hearing aid
1901-1932