  Guglielmo Marconi, Italian physicist and inventor and pioneer of ... Image State RM
 Mr Punch thanking Marconi for wireless telegraphy which was saving ... Image State RM
 Guglielmo Marconi, Italian physicist and inventor and pioneer of ... Image State RM
 Sectional view of a telegraph tower for Claude Chappe s semaphore ... Image State RM
 Cook and Wheatstone s 5-needle telegraph, 1837 (1915). Image State RM
 Guglielmo Marchese Marconi, Italian electrical engineer, (c1924). Image State RM
 Claude Chappe demonstrating his optical telegraph (semaphore) system ... Image State RM
 Guglielmo Marconi, Italian inventor, 1926. Artist: Alick P F Ritchie Image State RM
 Samuel Finley Breese Morse, American artist and inventor, 1873. Image State RM
 One of General Grant s Union Field Telegraph stations during the ... Image State RM
 Wireless officer sending a message by Morse Code from on board a ... Image State RM
 Samuel Finley Breese Morse, American inventor, (1934). Image State RM
 Rear view of Charles Wheatstone s electric (railway) telegraph, 1850. Image State RM
 Samuel Finley Breese Morse, Americanartist and inventor, 1896. Image State RM
 Facsimile or copying telegraph system by Amstutz of Cleveland, Ohio ... Image State RM
 Samuel Finley Breese Morse, American artist and inventor, 1872. Image State RM
 Opening of the 1851 London to Paris telegraph link (1852). Image State RM
 Morse telegraph operating room, Cincinnati, Ohio, USA, 1859. Image State RM
 Telegraph construction camp during the American Civil War, 1861-1865. Image State RM
 Operator sending a message on a Morse electric printing telegraph ... Image State RM
 Operator receiving a message in Morse code on an electric printing ... Image State RM
 Lord Kelvin, Scottish mathematician and physicist, 1852. Image State RM
 Laying of the telegraph cable across the Indian Ocean between Bombay ... Image State RM
 Laying the transatlantic telegraph cable, 1865 (1866). Image State RM
 Lord Kelvin, Scottish mathematician and physicist, 1876 Image State RM
 New Year greetings from stockbrokers Mercer Locock to their clients ... Image State RM
 Lesage experimenting with the first electric telegraph, Geneva ... Image State RM
 Sir Oliver Joseph Lodge (1851-1940), English physicist and writer ... Image State RM
 Lord Kelvin, Scottish mathematician and physicist, c1890. Image State RM
 Lesage experimenting with the first electric telegraph, Geneva ... Image State RM
 Aerial Telegraph: Ancient Greek soldiers tending a signal fire, c1900 Image State RM
 Main station of the Exchange Telegraph Company, London, 1882. Image State RM
 Lord Kelvin, Scottish physicist and mathematician, 1897. Image State RM
 Lord Kelvin, Scottish mathematician and physicist, 1897. Image State RM
 Lord Kelvin, Irish-born Scottish mathematician and physicist, c1900. Image State RM
 Lord Kelvin, Scottish mathematician and physicist, with his ... Image State RM
 Lord Kelvin, Scottish mathematician and physicist, 1899. Image State RM
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