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LicenseHearing aid with long tube
Science Museum Group
© The Board of Trustees of the Science Museum
Conversation tube hearing aid, also known as a speaking tube, fabric-covered rubberised tube and vulcanite bell-shaped trumpet and large earpiece, made by J. Leiter, Vienna, Austria, 1840-1900.
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A140478
- Materials:
- earpiece, vulcanite, mouthpiece, vulcanite, tube, cotton and tube, cardboard
- Measurements:
-
unfurled: length 1200 mm
tube: diameter 13 mm
trumpet aperture: diameter 65 mm
earpiece aperture: diameter 53 mm
- type:
- hearing aids
- credit:
- Glendining
