History of Hearing Aids
[Introduction] Trumpets made of horns and hands cupped around the ear served to amplify sound since the days of hunter gatherers – a precursor to hearing aids of sorts. These devices remained fairly unchanged in principle until the 19th century. Today, hearing aids are much more than devices that si...
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| Format: | Others |
| Language: | en |
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2021
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| Online Access: | https://thesis.library.caltech.edu/14272/1/Hwang%2C%20Saehui%20-%20McClure%20Prize%20-%20History.pdf Hwang, Saehui (2021) History of Hearing Aids. Other, California Institute of Technology. doi:10.7907/kbfz-af35. https://resolver.caltech.edu/CaltechTHESIS:06092021-173756347 <https://resolver.caltech.edu/CaltechTHESIS:06092021-173756347> |
Internet
https://thesis.library.caltech.edu/14272/1/Hwang%2C%20Saehui%20-%20McClure%20Prize%20-%20History.pdfHwang, Saehui (2021) History of Hearing Aids. Other, California Institute of Technology. doi:10.7907/kbfz-af35. https://resolver.caltech.edu/CaltechTHESIS:06092021-173756347 <https://resolver.caltech.edu/CaltechTHESIS:06092021-173756347>