File:Franklin School - Alexander Graham Bell - plaque - Washington DC.JPG

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Camera location38° 54′ 08.22″ N, 77° 01′ 45.96″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo
Description
English: Commemorative plaque on Franklin School, Washington DC. Reads:

From the top floor of this building was sent on June 3, 1880 over a beam of light to 1325 L Street the first wireless telephone message in the history of the world.

The apparatus used in sending the message was the photophone invented by Alexander Graham Bell, inventor of the telephone.

This plaque was placed here by Alexander Graham Bell chapter Telephone Pioneers of America March 3, 1947 the centennial of Dr. Bell's birth
Date
Source Own work
Author Andy Mabbett

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current20:46, 21 July 2012Thumbnail for version as of 20:46, 21 July 20123,008 × 2,000 (2.55 MB)Pigsonthewing (talk | contribs)

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