Faux tortoiseshell ear trumpet,made from celluloid and metal. Ear trumpets were used to aid those with difficulties in hearing. Sound waves enter the wide 'sound collector' and become amplified as they pass along the narrow tube and into the earpiece. The tip of the earpiece is placed in the ear canal of the user,amplification of the sound makes it easier to hear. This piece is French and dates from around 1910 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 5176 px × 3377 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |