Brass ear trumpet
1801-1900
Ear trumpet made from an animal horn
1701-1900
Silver ear trumpet hearing aid
1829
Ear trumpet hearing aid
1801-1900
Brass ear trumpet
1880-1900
Hearing aids, London, England, 1935-1936
1935-1936
Double ear trumpet with headband
1850-1928
Speaking tube by Rein
1880-1920
Double auricle hearing aid
1801-1910
Miniature ear trumpet hearing aid
1801-1900
Ear trumpet hearing aid
1801-1910
Ear trumpet hearing aid
1801-1900
Glass ear trumpet
1760-1820
Telescopic ear trumpet
1840-1900
Silver ear trumpet
1848
Hearing aid
1850-1910
Ear trumpet with bulbous bell
1880-1900
Aluminium ear trumpet
1870-1917
Tortoiseshell Ear Trumpet Hearing Aid
1801-1900
Conversation tube hearing aid, probably English, 1870-1895
1870-1895
Silver plated telescoping ear trumpet
1800-1870
Long leather covered metal ear trumpet hearing aid
1880-1910
Swan shaped ear trumpet
1850-1900
Bat's ear hearing aid
1850-1930
Telescopic ear trumpet hearing aid
1801-1900
Conversation tube hearing aid
1860-1895
Telescope ear trumpet
1850-1900
Conversation tube hearing aid
1851-1900
Ear trumpet
1850-1900
Steel telescoping ear trumpet
1840-1920
Vulcanite conversation tube hearing aid
1860-1920
Swan shaped ear trumpet hearing aid
1801-1900
Conversation tube hearing aid, probably English, 1750-1840
1750-1840
Conversation tube hearing aid, Europe, 1850-1920
1850-1920
Conversation tube hearing aid
1840-1900
"Emitome" hearing aid
Conversation tube hearing aid
1880-1916
Ear trumpet hearing aid
1801-1900
Brass ear trumpet, English, 1840-1917
1840-1917
Ear trumpet hearing aid
1801-1900
Conversation tube hearing aid
1750-1840
Brass ear trumpet, English(?), 19th century
1801-1900
Ear trumpet, 19th century
1830-1880
Swan-shaped ear trumpet
1801-1900
Two OL65 hearing aids with one earphone and two earmolds
1969
Silver plated telescoping ear trumpet
1750-1850
Hearing aid
1801-1900
Conversation tube hearing aid
1801-1900
Conversation tube hearing aid
1880-1935
Conversation tube hearing aid
1880-1931