Ear trumpet made from an animal horn

1701-1900

Brass ear trumpet

1801-1900

Headband cornet hearing aid

1950-1970

Two OL65 hearing aids with one earphone and two earmolds

1969

"Emitome" hearing aid

"Emitome" hearing aid

"Emitome" hearing aid

"Emitome" hearing aid

Miniature ear trumpet hearing aid

1801-1900

Aluminium ear trumpet

1870-1917

Conversation tube hearing aid

1801-1900

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

Small ear trumpet

Conversation tube hearing aid

1801-1910

Conversation tube hearing aid

1880-1931

Brass ear trumpet, English(?), 19th century

1801-1900

Ear trumpet hearing aid

1801-1900

Conversation tube hearing aid

1870-1930

Silver ear trumpet hearing aid

1829

Conversation tube hearing aid, probably English, 1801-1900

1750-1840

Ear trumpet hearing aid

1801-1910

Small crescent-shaped metal ear trumpet

1850-1930

Ear trumpet

1850-1900

Swan shaped ear trumpet

1850-1900

Swan-shaped ear trumpet

1801-1900

Ear trumpet

1801-1900

Hearing aid

1801-1900

Silver plated telescoping ear trumpet

1800-1850

Silver plated ear trumpet

1840-1970

Tin plate ear trumpet

1850-1900

Ear trumpet hearing aid

1801-1900

Conversation tube hearing aid, Europe, 1850-1920

1850-1920

Hearing aid

1850-1910

Tortoiseshell Ear Trumpet Hearing Aid

1801-1900

Telescopic ear trumpet

1840-1900

Conversation tube hearing aid

1750-1840

"Emitome" hearing aid

"Emitome" hearing aid