Double parabolic ear trumpet, 19th century
- VC703-B66-i703052
- Item
Part of The Central Institute for the Deaf-Max A. Goldstein Historic Devices for Hearing Collection.
Nickel plated double parabolic trumpet collapsible device. The design features two opposing parabolic balls with a long earpiece extending from the smaller ball within the receptor part. The main body is very long and contains three sections that collapse into each other. The earpiece section curves slightly and contains a vulcanite eartip.