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Category
Audiology
1
Collection
Sir Henry Wellcome's Museum Collection
1
Object type
hearing aids
1
Material
case, leatherette, black
1
earphone, steel, painted black
1
lining, velvet, blue
1
power unit, bakelite
1
small earpiece, bakelite
1
small earpiece, steel
1
Maker
Dent,R.H. (maker)
1
Place
London
1
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"Ardente" hearing aid, cased, by R.H. Dent, England, 1920-1940
"Ardente" hearing aid
1920-1940