Audiology
1850-1900
Silver-plated ear trumpet, by FC Rein & Son, London, England, 1850-1900
1750-1840
Flexible ear trumpet, probably English, 1750-1840
1801-1900
Flexible ear trumpet, English, 1801-1900
Ivory ear trumpet
1760-1860
Flexible ear trumpet, by F.C. Rein, London, 1760-1860