Hearing aid, comprising a pair of auricles with a connecting, adjustable metal headband, probably English, 1850-1913 Double auricle hearing aid 1850-1913
Conversation tube hearing aid, also known as a speaking tube, with flexible fabric-covered rubberised tube and ivory or bone earpiece and sound-capturing bell, 1850-1920 Conversation tube hearing aid 1850-1920
Silver telescopic ear trumpet hearing aid, in six sections with ivory earpiece, made by Hawksworth Eyre and Co., Sheffield, England, 1845. Telescopic ear trumpet 1845