Miniature ear trumpet hearing aid, which could be worn over the ear, gold with ivory ear piece and inscribed "P.R.F.C. Rein sole inventor and maker, 108 Strand, London", 1801-1900.
Details
- Category:
- Audiology
- Object Number:
- 1980-1347
- Measurements:
-
overall: 58 x 67 x 38 mm
- type:
- hearing aids and ear trumpets
- credit:
- Hull Grundy, A.