Ear trumpet
1850-1900
Medresco Portable Hearing Aid
1953
Conversation tube hearing aid
1801-1900
Ear trumpet and walking stick combined
1875-1885
Hearing aid, type BE14
1978-1980
Brass ear trumpet
1801-1900
Silver ear trumpet hearing aid, London, England, 1814
1814
Alta2 Invisible In the Canal hearing aid
2018
Hearing aid
1900-1940
Ear trumpet hearing aid
1869-1900
Gutta-percha ear trumpet hearing aid, 1840-1910
1840-1910
Ear trumpet made from an animal horn
1701-1900
Conversation tube hearing aid
1870-1920
Conversation tube hearing aid
1860-1900
Intra aural hearing aid
1978-1981
Alta2 Invisible In the Canal hearing aid
2018
Headband cornet hearing aid
1950-1970
Mallock-Armstrong ear defenders, London, England, 1914-1918
1914-1918
Ear trumpet made from an animal horn
before 1935
The Ardente Hearing aid, London, England, 1920-1930
1920-1930
Silver ear trumpet hearing aid
1829
Miniature ear trumpets
1805-1900
Acoustic headband with pair of auricle hearing aids
1900-1930
Hearing aid model BE11
1975-1990
Ear trumpet hearing aid
1801-1900
Brass ear trumpet
1880-1900
Ear trumpet made from shell
1850-1900
Bone-conduction type hearing aid, c1850-1900
1850-1900
Cochlear ear implant with accessories, United Kingdom, 1999
1999
Double ear trumpet with headband
1850-1928
Ear trumpet, possibly used during a period of mourning, Europe, 1850-1910
1850-1910
Hearing aids, London, England, 1935-1936
1935-1936
Oticon Alta2 Invisible In the Ear Hearing Aids
2018
Stycar hearing test
1980
Bakelite Ear Trumpet
1901-1940
Soft toy, with cochlear implant, China, 1999
1999
Speaking tube by Rein
1880-1920
Double auricle hearing aid
1801-1910
Drying tub for Oticon IIC hearing aids
2018
Miniature ear trumpet hearing aid
1801-1900
Ear trumpet hearing aid
1801-1900
Ear trumpet hearing aid
1801-1910
Glass ear trumpet
1760-1820
Drying pellets for Oticon IIC hearing aids
2018
Infant audiometer, Denmark, 1970-1980
1970-1980
Set of eight tuning forks, Unknown maker, 1935-1950
1935-1950
Twin ear trumpets on adjustable head-band
1900-1920
Struycken monochord (cased) made by H. Pfau of Berlin circa 1930
1930
Bakelite ear trumpet
1901-1940
Hearing aid
1850-1910