Conversation tube hearing aid
- Made:
- 1850-1920 in unknown place
Conversation tube hearing aid, also known as a speaking tube, with flexible fabric-covered rubberised tube and ivory or bone earpiece and sound-capturing bell, 1850-1920
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602540
- Materials:
- trumpet, ivory and earpiece, ivory
- Measurements:
-
trumpet: 51 mm,
coiled: 60 mm 155 mm, .1 kg
- type:
- hearing aids
- credit:
- Wellcome Trust (Purchased from Stevens)
