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Image

Has Image1
Non-Commercial Use1

Category

Audiology2

Maker

Siemens and Halske AG1

Object type

hearing (aids)2
hearing aids2
ear trumpets1
electrical1
fortiphone1

Place

Berlin1

Material

earpiece, metal2
case, leatherette1
connector, plastic1
covering, leather, black1
earpiece, plastic1
earpiece, vulcanite1
microphone, plastic1

Date

From To

Long leather covered ear trumpet, mechanical heari

Audiology

1880-1910

"Fortiphone" battery hearing aid, cased, by Siemens and Halske, Berlin, 1900-1940

"Fortiphone" battery hearing aid, cased, by Siemen

Audiology

1900-1940

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