hearing aids

Audiology

Medresco battery hearing aid, English, 1950-1965

"Fortiphone 30A" electrical hearing aid, cased, by

Audiology

1945-1960

"Fortiphone 30A" electrical hearing aid, cased, by Fortiphone, London, 1945-1960

"Fortiphone" battery hearing aid, cased, by Siemen

Audiology

1900-1940

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

Medresco battery hearing aid with leather case, En

Audiology

Medresco battery hearing aid with leather case, English, 1950-1965

"Duchess" electrical hearing aid, cased, English,

Audiology

1950-1970

"Duchess" electrical hearing aid, cased, English, 1950-1970

Ear trumpet with flexible tube, by Weiss, London,

Audiology

1870-1930

Ear trumpet with flexible tube, by Weiss, London, 1870-1930