Share this credible answer with others. Simply paste this code into your blog or Web page:
Morse worked for the next 12 years, with the aid of the chemist Leonard Gale, physicist Joseph Henry , and machinist Alfred Vail to perfect his own version of the instrument. So many phases of the telegraph, however, had already been anticipated by other inventors, especially in Great Britain, Germany, and France, that Morse's originality as the inventor of telegraphy has been questioned; ...
|
Answer verified with
|
HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.