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| View Original: | Acousticon,_1906_hearing_aid,.jpg (1106x1280) | |||
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| Keywords: Acousticon, 1906 hearing aid,.jpg en Probably from an advertisement for the Acousticon the first portable electric hearing aid invented by Miller Reese Hutchison 1876 “1944 in the USA and marketed there and in Europe page 48 of Surdus in search of his hearing an exposure of aural quacks and a guide to genuine treatments and remedies electrical aids lip-reading and employments for the deaf etc etc published in 1906 by Evan Yellon http //books google com/books id GB9AAAAAYAAJ pg PA48 photo not attributed ~ 1902 PD-old Hearing aids England in the 1900s | ||||
