7,500 and a contingent sum of 2,500. In 1846 he obtained a patent for his Electro Chemical Telegraph, which, he says," is an invention surpassing all others in the speed ot transmitting messages ...

claiming that " it cannot be refuted tha1 Dr. C. T. Jackson, of Boston, is the first inventor of the electric telegraph." He refers to the fact that Dr. Jackson and Professor Morse were together ...

Guglielmo Marconi (1874-1937), the Italian-born inventor of "Wireless" telegraphy. In 1896 Marconi took out a patent on his unique system to transmit the dots and dashes of telegraph messages ...

Two French brothers, Claude and Ren Chappe, had built an optical/mechanical telegraph in 1791 and used it to send a message across ten miles in four minutes. Their invention was the basis for the ...

Among a collection of daguerreotypes for sale at Christie’s is one made by Samuel F.B. Morse, the inventor of the telegraph, ...

The Atlantic Telegraph has half undone the declaration ... a problem that would remain until the invention in 1872 of the duplex, which allowed messages to be sent simultaneously both ways over ...

To the Editor of The New York Times:STEPHEN VAIL TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article ...

This was the beginning of the birth of electromagnetism. From this came the invention of the electric telegraph by Cook and Wheatstone. In 1845 the telegraph shot to fame when John Tawell was ...

Although electricity was still a relatively new discovery, the invention of the electric telegraph in 1816 and the ...

The invention of the telegraph by Cooke and Wheatstone. videoThe invention of the telegraph by Cooke and Wheatstone A description of the major scientific invention of the telegraph by Cook and ...