"Fortiphone" battery hearing aid, cased, by Siemens and Halske, Berlin, 1900-1940
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602535
- Materials:
- case, leatherette, microphone, plastic, connector, plastic, earpiece, metal and earpiece, plastic
- type:
- hearing aids
- credit:
- Cutts, G.W.
