Acoustion battery hearing aid
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A153334
- Materials:
- case, cord, black, case, wood, lining, velvet, microphone, bakelite, earphone, bakelite and head piece, steel
- Measurements:
-
case: length 182 mm
case: width 83 mm
case: height 110 mm
earpiece: diameter 50 mm
microphone: length 147 mm
microphone: width 25 mm
- type:
- hearing aids
- credit:
- Wellcome Trust (Purchased from Stevens)
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