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SKETCH OF ALEXANDER GRAHAM BELL'S TELEPHONE OF 1876.…
Sketch of Alexander Graham Bell's telephone of 1876. Scottish-born American inventor Bell (1847-1922) filed the patent for his telephone at the United States Patent Office at 3pm on 14 February 1876, just 2 hours before a rival device developed by Elisha Gray. From the Library of Congress. (KEYSTONE/HERITAGE IMAGES/Ann Ronan Pictures)
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COPYRIGHTPFLICHTIG
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Erstellungsdatum
Ort
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KEYSTONE
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HERITAGE IMAGES
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ANN RONAN PICTURES
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3945 x 2654 px
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JPEG