Conversation tube hearing aid
- Made:
- 1801-1900
This image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseFlexible ear trumpet, English, 1801-1900
Science Museum Group
© The Board of Trustees of the Science Museum
Conversation tube hearing aid, also known as a speaking tube, with ivory earpiece and bell and rubberised silk covered tube, probably English, 1801-1900.
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602561
- Materials:
- trumpet, ivory, turned, earpiece, ivory, turned, tube, silk, tube, rubber and cover, cotton
- Measurements:
-
unfurled: length 1350 mm
tube: diameter 20 mm
trumpet aperture: diameter 60 mm
cover: length 1150 mm
- type:
- hearing aids
