"Oticon T4" transistor hearing aid

Made:
1955-1965 in Copenhagen

"Oticon T4" transistor hearing aid, by the American Danish Oticon Corporation, Denmark, 1955-1965

Details

Category:
Audiology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A602530
Materials:
case, steel, chrome plate and frame, plastic
Measurements:
length 45 mm
width 18 mm
height 63 mm
type:
hearing aids
credit:
Bailey, A. Optical Mission

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