-
radio
the radio was created in 2 of june 1896 by Guglielmo Marconi Marconi in 1896 set up a radio station on the Isle of Wight in southern England , the first in the world1898 establishing a telegraph character communication between Britain and France across the English Channel in 1901 and get connect the two ends of the Atlantic Ocean in a transfer of more than 3,000 kilometers away.First broadcast December 8, 1929 (85 years ) (Voice of Barranquilla )
April 15, 1935 (80 years) ( Issuing New Granada ) -
radio rca
Radio RCA Radiola 20 , at the Museum of Trelew, Argentinawere first described by James Clerk Maxwell in a document addressed to the Royal Society ( 1873 ) entitled A dynamical theory of the electromagnetic field , describing his work between 1861 and 1865 .On Christmas Eve 1906 , using the heterodyne principle , Reginald Fessenden transmitted from Brant Rock Station ( Massachusetts ) the first audio broadcasting history.Year: 1925 Type: Broadcast Receiver - or past WW2 Tuner
