"Fortiphone" battery hearing aid
- maker:
- Siemens & Halske AG
"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
- Measurements:
-
case: length 83 mm
case: width 186 mm
case: height 118 mm
earpiece: diameter 16 mm
microphone: length 15 mm
microphone: width 70 mm
microphone: height 135 mm
- type:
- hearing aids
- credit:
- Cutts, G.W.
