Conversation tube hearing aid
- maker:
- Hawksley and Sons Limited
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
LicenseSilver ear trumpet
Science Museum Group
© The Board of Trustees of the Science Museum
Conversation tube hearing aid, also known as a speaking tube, silver with fabric-covered rubberised tube and bakelite earpiece, by Hawkesley and Sons Limited, London, 1840-1900.
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A139587
- Materials:
- trumpet, silver, earpiece, bakelite, tube, cotton and tube, felt
- Measurements:
-
unfurled: length 1200 mm
tube: diameter 15 mm
trumpet aperture: diameter 40 mm
- type:
- hearing aids
- credit:
- Glendining
