File:Acousticon - 1906 hearing aid.jpg

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English: 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.
Date circa 1902
date QS:P,+1902-00-00T00:00:00Z/9,P1480,Q5727902
Source 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 https://books.google.com/books?id=GB9AAAAAYAAJ&pg=PA48
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current19:19, 16 January 2011Thumbnail for version as of 19:19, 16 January 20111,106 × 1,280 (553 KB)W Nowicki (talk | contribs){{Information |Description={{en|1=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.}} |Source=page 48 of ''Surdus in

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