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Wireless officer sending a message by Morse Code from on board a ship, 1916Wireless officer sending a message by morse code from on board a ship, 1916. Wireless telegraphy at sea was made possible by the type of sending
Radio towers, between 1910 and 1920. Creator: Harris & Ewing. Radio towers, between 1910 and 1920Radio towers, between 1910 and 1920. USA
Transmitter, Heintz & Kaufman, B1, Sir G. H. Wilkins, 1919-193913in.l.10 3/4in.w.5in.h.blk.painted aluminum case with burnished face
A Jolly Xmas, 1934. Creator: Frederick George LewinA Jolly Xmas, 1934. Father Christmas holds a transmitter with loudspeaker and aerial
Boy scouts learning radio transmitting, 1960s
Transmitting valves at Marconi Station in Carnarvon, Gwynedd, 1926. From An Outline of Christianity, The Story of Our Civilisation, volume 4: Christianity and Modern Thought
Guglielmo Marchese Marconi, Italian electrical engineer, (c1924). Marconi (1874-1937) is known for the development of a practical wireless telegraphy system
Mobile radio station used by Marconi, 1900. Guglielmo Marconi (1874-1937), an Italian physicist and inventor, was the first to send radio signals across the Atlantic
Replica of Marconis first transmitter used in his early experiments in Italy, 1894. Guglielmo Marconi (1874-1937), an Italian physicist and inventor
Edison carbon telephone, 1879. Wood engraving
Sending and receiving apparatus with battery box at base, Edison carbon telephone, 1890. Solid metal diaphragm. Wood engraving
Wall-mounted Edison carbon telephone with pony-crown receiver, New York, 1879. Wood engraving
Edison telephone in a wall-mounted box, New York, 1890. Wood engraving
New York telephone subscriber making call through operator at telephone exchange, 1883. Apparatus in picture used an Edison transmitter and a pony-crown receiver
Edison transmitter and a pony crown receiver, New York, c1891. Telephone apparatus available to New York subscribers. This used an Edison transmitter and a pony crown receiver
Cross-section of Edisons lamp-black (carbon) button telephone transmitter (microphone), c1891. Wood engraving
Guglielmo Marconi (1874-1937), Italian physicist and radio pioneerGuglielmo Marconi, Italian physicist and radio pioneer. Marconi with typical apparatus, including 10-inch induction coil spark transmitter (right), morse inker and grasshopper key in centre