50.0 MB (3.0 MB compressed)
5170 x 3380 pixels
43.7 x 28.7 cm ⏐ 17.2 x 11.3 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Faux tortoiseshell ear trumpet. Ear trumpets were used to aid those with difficulties in hearing. Sound waves enter the wide 'sound collecting' dome 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 made from celluloid and metal and dates from around 1910, France.
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