Hearing aid
1900-1940
Alta2 Invisible In the Canal hearing aid
2018
Medresco Portable Hearing Aid
1953
Conversation tube hearing aid
1801-1900
Ear trumpet made from an animal horn
1701-1900
Brass ear trumpet
1801-1900
Conversation tube hearing aid
1860-1900
The Ardente Hearing aid, London, England, 1920-1930
1920-1930
Headband cornet hearing aid
1950-1970
Alta2 Invisible In the Canal hearing aid
2018
Ear trumpet hearing aid
1869-1900
Conversation tube hearing aid
1870-1920
Ear trumpet
1850-1900
Ear trumpet and walking stick combined
1875-1885
Gutta-percha ear trumpet hearing aid, 1840-1910
1840-1910
Silver ear trumpet hearing aid, London, England, 1814
1814
Intra aural hearing aid
1978-1981
Hearing aid, type BE14
1978-1980
Portable microscope requiring a fibreoptic light source
1960-1975
Conversation tube hearing aid
1900-1950
Two OL65 hearing aids with one earphone and two earmolds
1969
Phonic Ear and F.M. charger used in speech training
1960-1970
Set of eight tuning forks, Unknown maker, 1935-1950
1935-1950
Portable speech training aid
1965-1975
Anatomical model of the larynx.
1960-1968
Hearing aid, Sonotone 1000
1960-1970
Branded plastic bag for Oticon Hearing Aids
2018
Drying tub for Oticon IIC hearing aids
2018
Anatomical model of the ear
Miniature ear trumpet hearing aid
1801-1900
Struycken monochord (cased) made by H. Pfau of Berlin circa 1930
1930
Box of artificial ear drums, London, England, 1931
1931
Silver-plated telescoping ear trumpet
1830-1880
Aluminium ear trumpet
1870-1917
Conversation tube hearing aid
1801-1900
Ear trumpet made from an animal horn
before 1935
Telescoping ear trumpet
1870-1900
Telescope ear trumpet
1850-1900
Steel telescoping ear trumpet
1840-1920
Conversation tube hearing aid, probably English, 1870-1895
1870-1895
Conversation tube hearing aid
1801-1900
Part of a hearing aid
1801-1900
Two bells from hearing aids
1801-1900
Conversation tube hearing aid
1801-1900
Conversation tube hearing aid
1880-1935
Conversation tube hearing aid
1840-1900
Double ear trumpet with headband
1850-1928
Conversation tube hearing aid
1840-1900
Conversation tube hearing aid
1840-1900
