In this building was established in 1899 the first radio factory in the world by the Wireless Telegraph & Signal Co Ltd. later known as "Marconi's Wireless Telegraph Co Ltd"

Photo of Guglielmo Marconi and Wireless Telegraph Company Limited blue plaque
Stuart Axe on Flickr
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Photo of Guglielmo Marconi and Wireless Telegraph Company Limited blue plaque
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Photo of Guglielmo Marconi blue plaque
Spudgun67 on Flickr
London, United Kingdom
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This stone marks the site of The Needles Wireless Telegraph Station where Guglielmo Marconi and his British collaborators carried out from 6th December 1897 to 26th May 1900 a series of experiments which constituted some of the more important phases of their earlier pioneer work in the development of wireless communication of all kinds.
Alum Bay, United Kingdom
Photo of Guglielmo Marconi blue plaque
Pete Reed on Flickr
Cookham, United Kingdom
Photo of Guglielmo Marconi blue plaque
rw_norris2000 on Flickr
Sandbanks, United Kingdom
Photo of Guglielmo Marconi and Nellie Melba blue plaque
cazphoto.co.uk on Flickr
Chelmsford, United Kingdom
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Luttrell's "Tower" built 1730. Here Guglielmo Marconi concluded his wireless experiments during the Great War of 1914-1918
Calshot, United Kingdom
Photo of Guglielmo Marconi brass plaque
blech​ on Flickr
Lizard, United Kingdom
Photo of Guglielmo Marconi grey plaque
Spudgun67 on Wikimedia Commons
London, United Kingdom
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Near this site the first radio messages were exchanged across water by Guglielmo Marconi and George Kemp between Laverock & Flatholm 18th May, Lavernock & Breandown 18th May 1897
Lavernock, United Kingdom
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This memorial is dedicated by Canadian Marconi Company to the government and people of Newfoundland to commemorate an outstanding event in the history of Newfoundland and a new era in world communications. The first transatlantic wireless signal was received by Guglielmo Marconi on December 12, 1901 on this spot
St John's, NL, Canada
Photo of Guglielmo Marconi, Edward VII, and Theodore Roosevelt brass plaque
dbking from Washington, DC on Wikimedia Commons
Cape Cod, MA, United States
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To recall the historic occasion in 1898 when Marchese Marconi and his assistant George Kemp established wireless communication with Rathlin to report to Lloyds Station at Torr Head on ships passing along the north coast of the island
Ballycastle, United Kingdom
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Electrical engineering milestone. Transatlantic Radio Signals. At Signal Hill on 12 December 1901 Guglielmo Marconi and his assistant George Kemp confirmed the reception of the first transatlantic radio signals with a telephone receiver and a wire antenna kept aloft by a kite. They heard morse code for the letter "S" transmitted from Poldhc Cornwall. Their experiments showed that radio signals extended far beyond the horizon giving radio a new global dimension for communication in the twentieth century
St John's, NL, Canada
Photo of Guglielmo Marconi grey plaque
Chris N Illingworth on Wikimedia Commons
Ballinaboy, Ireland
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Princess Elettra Marconi Giovanelli unveiled this plaque on the 231st May 2007 in the presence of her son Guglielmo to commemorate the 100th anniversary of the wireless station at Derrygimla owned by her father Guglielmo Marconi
Maum, Ireland
Photo of Guglielmo Marconi and George Kemp blue plaque
Kay Atherton on Geograph
Ballycastle, United Kingdom
Photo of Madeira Hotel, Court Royal, and Guglielmo Marconi blue plaque
Alwyn Ladell on Flickr
Bournemouth, United Kingdom
Photo of Wireless Telegraph Company Limited, Nellie Melba, and Guglielmo Marconi bronze plaque
nick.harrisonfli on Flickr
London, United Kingdom
Photo of Guglielmo Marconi gold plaque
Simply Jan on Flickr
Alum Bay, United Kingdom
Photo of Guglielmo Marconi gold plaque
Simply Jan on Flickr
Alum Bay, United Kingdom
Photo of Guglielmo Marconi white plaque
Jez Nicholson on Flickr
Bologna, Italy
Photo of Guglielmo Marconi marble plaque
Eugene O'Loughlin on Flickr PD 1.0
Dún Laoghaire, Ireland