Electric Telegraph

William Fothergill Cooke - Cooke's Initial Telegraph Development With Wheatstone (1837-1839)
... Not long after settling back in London, did Cooke have his first telegraph instrument constructed with the assistance of Frederick Kerby of St ... Cooke's friend and solicitor, Cooke came to quickly realize that getting a telegraph signal to extend beyond one mile remained a very real obstacle ... The dilemma of sending telegraph signals over longer distances prompted Cooke to seek out outside assistance, which came through introductions to ...

Utilities In Istanbul - Post and Telecom - Electric Telegraph
... Samuel Morse received his first ever patent for the telegraph in 1847, at the old Beylerbeyi Palace (the present Beylerbeyi Palace was built in 1861-1865 on the same location) in Istanbul, which was ... test, installation works of the first telegraph line between Istanbul and Edirne began on August 9, 1847 ... In 1855 the Telegraph Administration was established ...

Cooke And Wheatstone Telegraph - History
... In January 1837 Cooke proposed a design for a 60-code telegraph to the directors of the Liverpool and Manchester Railway ... However, the railway decided to use instead a pneumatic telegraph equipped with whistles ... In May 1837 Cooke and Wheatstone patented a telegraph system which used a number of needles on a board that could be moved to point to letters of the alphabet ...

Signal Corps (United States Army) - Early History
... to McClellan's desire for a Signal Corps field telegraph train, an electric telegraph in the form of the Beardslee magnetoelectric telegraph machine ... the wig-wag system, dependent upon line-of-sight, was waning in the face of the electric telegraph ... The electric telegraph, in addition to visual signaling, became a Signal Corps responsibility in 1867 ...