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Conversion tube hearing aid, circa 1860

Conversion tube hearing aid, circa 1860

C017/6952

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Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Conversion tube, dating from around 1860, England. This device is made from ivory and cloth covered rubber. It was used to assist hearing; one person would talk into the funnel-shaped end of the tube and the narrower end would be placed in the listener's ear canal. The talker's voice was transmitted along the tube to amplify the sound.

Release details

Model release not required. Property release not required.

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