Conversation tube hearing aid, probably English, 1750-1840
- Made:
- 1750-1840
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Licence
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LicenseFlexible ear trumpet, probably English, 1750-1840
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, probably English, 1800-1840.
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602585
- Materials:
- trumpet, ivory, turned, earpiece, ivory, turned, tube, rubber and tube, silk
- Measurements:
-
unfurled: length 1800 mm
tube: diameter 10 mm
trumpet aperture: diameter 50 mm
- type:
- hearing aids
