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 ...

It is well-known that the English claim the invention of the magnetic telegraph for their countryman, Prof. Wheatstone. The Transatlantic telegraph enterprise has caused the subject of priority of ...

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 ...

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 ...

On March 7, 1876, Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. This is another master stroke for the scientific community of the day.

De Forest was extremely creative and energetic, but often was uable to see the potential of his inventions or grasp their theoretical implications. While working on improving wireless telegraph ...

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 ...