Wireless telephone message (first): Plaque marking the location of Bell's experiment near Franklin Park in Washington, D.C.
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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
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0001000/01693_0000018170.jpg (added ca. 2006)

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Go to The Mall ring — Go to North Capitol St ring
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0001000/01693_0000018160.jpg (added ca. 2006)
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