London Dome ear trumpet

Made:
1869-1900 in London
maker:
Hawksley and Sons Limited

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Science Museum Group Collection
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Small square ear trumpet, hearing aid, European, 1869-1900

This hearing aid is probably a variation of a ‘London Dome’ ear trumpet. It is so-called because of its similarity to the dome on St. Paul’s Cathedral. The ivory ear tip sat inside the ear canal. The ear trumpet amplified sounds down the tube. The ear trumpet is a type of parabolic reflector. This reflective device projects energy onto a focal point, in this case the ear drum, through refraction and reflection. This enables the ear trumpet to be an effective hearing aid while remaining relatively small.

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Science Museum: Medicine: The Wellcome Galleries

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Details

Category:
Audiology
Object Number:
A602633
Materials:
brass, silver plated and earpiece, ivory
type:
hearing aid
taxonomy:
  • furnishing and equipment
  • tools & equipment

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