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young blonde girl with an old telephone
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Young Blonde Girl With An Old Telephone

• 30 January 1877 — Bell's U.S. patent 186,787 is granted for an electromagnetic telephone using permanent magnets, iron diaphragms, and a call bell.
• 27 April 1877 — Edison files for a patent on a carbon (graphite) transmitter. The patent 474,230 was granted 3 May 1892, after a 15 year delay because of litigation. Edison was granted patent 222,390 for a carbon granules transmitter in 1879.

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Album name:Babes
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Keywords:#young #blonde #girl #old #telephone
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Date added:Apr 04, 2011
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