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jan 18, 1923 - hearing aid

Description:

hearing aid has helped people with hearing dissabiity in hearing so they can help people hearbetter by aplifying the sound

Added to timeline:

technology timeline by lincoln hoover

ByLincoln Hoover
27 Sep 2018
0
0
327

Date:

jan 18, 1923
Now
~ 102 years ago

Images:

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