Trumpet style hearing aid

An ear trumpet-style hearing aid with a simple tube-shaped body bent 90 degrees and funnel ends, made of thermoformed cellulose nitrate with a tortoiseshell colouring, circa 1930s. This item forms part of the Plastics Historical Society (PHS) collection.
Designer

Manufacturer

Country
Date
1930 - 1939 (circa)
Dimensions
length 165 mm, diameter 75 mm
Materials
plastic , celluloid - generic term, CN , cellulose nitrate
Colours
Object Number
PHSL : 348
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