Who Was Juliette Gordon Low? by Dana Meachen Rau & Who HQ
Author:Dana Meachen Rau & Who HQ [Rau, Dana Meachen & Who HQ]
Language: eng
Format: epub
Publisher: Penguin Young Readers Group
Published: 2021-07-06T00:00:00+00:00
Hearing Aids
In the 1800s, the main way for hearing-impaired people to hear better was with an ear trumpetâa large funnel-shaped device that they held up to their ears. In the early 1900s, new discoveries involving electricity helped inventors create some of the first electric hearing aids. People could wear these devices around their necks. But they were heavy, and the battery charge didnât last long.
Woman using a 1900s hearing aid
CHAPTER 5
New Ideas
Juliette with Robert Baden-Powell
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