"Ardente" hearing aid, cased, by R.H. Dent, England, 1920-1940
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602534
- Materials:
- case, leatherette, black, lining, velvet, blue, power unit, bakelite, earphone, steel, painted black, small earpiece, steel and small earpiece, bakelite
- type:
- hearing aids
- credit:
- Bailey, A. Optical Mission
