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, probably 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 fabric covered tube, probably English, 1801-1900.
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602559
- Materials:
- horn, ivory, earpiece, ivory and connecting tube, cloth, blue
- Measurements:
-
unfurled: length 700 mm
diameter 11 mm
trumpet aperture: diameter 42 mm
- type:
- hearing aids
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