Vulcanite conversation tube hearing aid
- Made:
- 1860-1920
Conversation tube hearing aid, also known as a speaking tube, made of vulcanite, probably English, 1860-1920.
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602581
- Materials:
- trumpet, rubber, trumpet, vulcanite, earpiece, vulcanite, tube, cotton and tube, rubber
- type:
- hearing aids
- credit:
- Wellcome Trust (Purchased from Stevens)