The Evolution of Hearing Aids

A slideshow on the history of hearing devices

7 August 2013

Until the late 19th century, hearing aids were acoustic and offered only modest amplification. They were cartoonish ear trumpets: tubular or funnel-shaped devices supported in one hand that collected sound waves and funneled them to the ear. The development of electrical technologies, however, opened new possibilities for amplification. Browse through our slideshow to learn more about the history of hearing aids. To read the full story, visit “The History of Hearing Aids.”

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