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Double parabolic ear trumpet, 19th century

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.

Double parabolic ear trumpet, 19th century

Silver, 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. Curved earpiece has ivory or plastic ear tip and also has a ring soldered on the base to allow the user to wear the device around their neck with a string/cord.

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