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
- type:
- hearing aids
- credit:
- Wellcome Trust (Purchased from Stevens)
