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EDISON, THOMAS A.

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EDISON, THOMAS A.
(1847 - 1931) American inventor of the electric light, phonograph, typewriter, and microphone, to name a few. Considered perhaps the greatest inventor of the century. Fine content T.L.S. ""Thos. A. Edison"" on his laboratory letterhead, 1p. 4to., Orange, Nov. 1, 1927 to Harry Hintze of the Marchant Calculating Machine Co. in Oakland, Ca. In part: ""àIf my speaking over the radio a few nights ago gave satisfaction to you and my other unknown 'friends of the air' I am much gratified to learn of it. It was with a little reluctance that I made the broadcasting effort. On account of my deafness, I do not consider my voice by any means ideal for a radio talkà"". At an early age Edison developed hearing problems, most likely due to a familial tendency to mastoiditis. His deafness strongly influenced his behavior and career, and actually provided the motivation for many of his inventions. Lightly toned with a few wrinkles, else very good.