Walking stick hearing aid, by Franck Valery Freres, Paris, 1860-1910
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602536
- Materials:
- trumpet, silver, collar, metal, stick, bamboo and ferrule, brass
- Measurements:
-
overall: 36 mm x 900 mm x 96 mm, .3 kg
- type:
- hearing aids
- credit:
- Glendining
