Wireless telephone message (first): Plaque marking the location of Bell's experiment near Franklin Park in Washington, D.C.
plaque
This plaque near Franklin Park in Washington, D.C. marks the site where Alexander Graham Bell sent the first wireless telephone message on June 3, 1880, using his photophone invention. The message was transmitted over a beam of light from the Franklin School building to a receiver on L Street. Installed in 1947 by the Telephone Pioneers of America, the plaque commemorates Bell's pioneering work in wireless communication. It highlights an important milestone in the history of telecommunications.
