Marconi Plaza, Philadelphia the work. . The Plaza later served as the grand pre-entrance for the 1926 Sesquicentennial Exposition, leading visitors south along a tree lined Southern Boulevard Parkway (Philadelphia, Pennsylvania) ( landscaped segment of South Broad Street) to the exhibition grounds that started at Packer Avenue and continued to League Island Park. This neighborhood twin park is mirrored on both sides of Broad Street and became property of the Fairmount Park system. It held the common name of Oregon Plaza until October 18, 1937 when it was officially named Marconi Plaza in honor of the Nobel Prize Laureate Guglielmo Marconi, the inventor
Invention of radio Holmes, an island in mid-channel, and at Brean Down, a promontory on the Somerset side. Signals were obtained between the first and last-named points, a distance of, approximately, . The receiving instrument used was a Morse inkwriter of the Post Office pattern. In 1898, Marconi opened a radio factory in Hall Street, Chelmsford, England, employing around 50 people. In 1899, Marconi announced his invention of the "iron-mercury-iron coherer with telephone detector" in a paper presented at Royal Society, London. In May, 1898, communication was established for the Corporation of Lloyds between Ballycastle and the Lighthouse on Rathlin Island in the