"Duchess" electrical hearing aid
- Made:
- 1950-1970
"Duchess" electrical hearing aid, cased, English, 1950-1970
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602528
- Materials:
- case, metal, covering, velvet, brown, lining, velvet, green, lining, fabric, earpiece, plastic, earpiece, aluminium, anodised, earpiece extension, polythene, earpiece extension, acrylic, power unit, plastic, grey and power unit, brass
- type:
- hearing aids
- credit:
- Bailey, A. Optical Mission
