13502197 - Le Sage early electric telegraph, 177412991011 - Telegraph of Claude Chappe, illustration12991004 - Communication in antiquity, illustration12991027 - Telegraphic undersea cable, illustration13443843 - Morse telegraph receiver, 19th century12991013 - Telegraph of Claude Chappe, illustration13502601 - Samuel Morse, Morse code receiver, 1840s13443692 - Thomson telegraph recorder, 19th century12991006 - Dom Gauthey, French monk, illustration13443722 - Baudot telegraph system, 19th century illustration12903079 - Opening of the London to Paris telegraph link, 185212903068 - Morse's first telegraph, 183712991001 - Hydraulic semaphore, illustration12914271 - Lesage with the first electric telegraph, Geneva, 177412903095 - Laying of the telegraph cable across the Indian Ocean, 187012901663 - Samuel Finley Breese Morse, 19th century American inventor12901532 - The Atlantic telegraph expedition, Newfoundland, 186613473596 - Vintage telegraph machine12991024 - Telegraphic undersea cable, illustration12991022 - Telegraphic cable in a river, illustration12991019 - Morse telegraphic machine, illustration12914221 - Heliograph, c190012903056 - Lord Kelvin, Scottish mathematician and physicist, 185212991021 - Telegraphic undersea cable, illustration12916506 - Magnetism, c185012916088 - William Thomson, Lord Kelvin in 186912914257 - Lord Kelvin, Irish-born Scottish mathematician and physicist12903080 - For Better or Worse', 186612902993 - Rear view of Charles Wheatstone's electric telegraph, 185013257427 - Fullerphone portable military telegraph, 20th century12991143 - Shipwreck of an oceanliner, illustration12903803 - Paul Jablochkoff, Russian telegraph engineer, 188312653474 - Transatlantic Cable Design Templates, 1850-1860s12991010 - Defending a telegraphic tower, illustration12903067 - Telegraph office, c190012903058 - Lord Kelvin, Scottish mathematician and physicist12991003 - Communication in antiquity, illustration12991002 - Claude Chappe telegraph, illustration12914272 - Lesage with the first electric telegraph, Geneva, 177412991008 - Claude Chappe telegraph, illustration12903059 - Lord Kelvin, Scottish mathematician and physicist, 189913443723 - Hughes printing telegraph, 19th century13296111 - Etienne Lenoir, French engineer12914929 - Wireless officer sending a message by Morse Code12655712 - Crimean War Cable Plough12991016 - Samuel Morse, US inventor, illustration12991012 - Telegraph in Russia, illustration12903084 - Main station of the Exchange Telegraph Company, London, 188213501449 - Guglielmo Marconi, Italian inventor12991007 - Burning the Claude Chappe telegraph, illustration12903868 - Morse telegraphy, Cincinnati, Ohio, USA, 185912903065 - Morse electric printing telegraph, c188212902997 - Facsimile or copying telegraph system, 189612991023 - Telegraphic undersea cable, illustration12991018 - Telegraphic office in Paris, illustration12947784 - Genetics and Morse code, conceptual image12903483 - Telegraph tower for Claude Chappe's semaphore, 179212991017 - Telegraphy in the US, illustration12901679 - Ernst Werner von Siemens, German inventor and industrialist12903551 - Mr Punch thanking Marconi for wireless telegraphy, 191312903550 - Guglielmo Marconi, Italian physicist and inventor12902995 - Caselli's pantelegraph, 187412653469 - Transatlantic Cable Design Templates, 1850-1860s12653046 - Cooke and Wheatstone Two Needle Telegraph, 1830s12991025 - Telegraphic undersea cable, illustration12903096 - Laying the transatlantic telegraph cable, 186512991015 - Jean Alexandre's telegraph, illustration12991009 - Claude Chappe telegraph, illustration12916301 - Lord Kelvin, Scottish physicist and mathematician, 189712903869 - Morse telegraph operating room, Cincinnati, Ohio, USA, 185912903103 - New Year greetings card, 189412903070 - Electric printing telegraph, 188712903069 - Sending a message on a Morse electric printing telegraph12903055 - Lord Kelvin, Scottish mathematician and physicist, c189012991014 - Francois Sudre's telephone, illustration12916053 - Edouard Branly, French physicist, 20th century12902996 - Alexander Glen's facsimile telegraph system, 188612902994 - Caselli's pantelegraph, 187412991026 - Telegraphic undersea cable, illustration12991005 - Guillaume Amontons and his signal machine, illustration13502655 - Guglielmo Marconi, Italian inventor12991020 - Telegraphic undersea cable, illustration12903528 - Heroic wireless operators, 191212897674 - Lord Kelvin, Scottish mathematician and physicist12914219 - Aerial telegraph: ancient Roman signal towers, c190012903066 - Morse electric printing telegraph, c188212903277 - Opening of the 1851 London to Paris telegraph link12903075 - Lord Kelvin's transatlantic telegraph, 187712653471 - Dover to Calais Telegraph Wire, 185012376985 - George Saward, British engineer12303041 - Louis Breguet12303027 - George Saward, British engineer12903587 - Samuel Finley Breese Morse, American and inventor, 189612903060 - Lord Kelvin, Scottish mathematician and physicist, 189712902989 - Cook and Wheatstone's 5-needle telegraph, 183712901751 - The Atlantic Telegraph Cable, Parade', c185812960296 - Testing Atlantic telegraph cable,186612915641 - Female telegraph workers, 187112303062 - Lord Kelvin, British physicistnächste Seite
