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Photograph of Guglielmo Marconi's wireless telegraph station in Cornwall, which sent and received signals between England and America
ARP23A18_245

Photograph of Guglielmo Marconi's wireless telegra...

Guglielmo Marconi's wireless telegraph station in Dresden, which received signals from Oberschöneweide and transmitted them to Karskrona in Sweden and Poldhu in Cornwall
ARP23A18_244

Guglielmo Marconi's wireless telegraph station in ...

Illustration explaining the operation of wireless telegraphy at sea
ARP23A18_241

Illustration explaining the operation of wireless ...

Wireless telegraphy at sea
ARP03098_005895

Wireless telegraphy at sea