Sentence Examples


  • He was for five years a clerk in the office of an Irish land-agent, but came to London with his family in 1876, and in 1879 was, according to his own account in the preface to The Irrational Knot, in the offices of the Edison telephone company.
  • Edison also patented (U.S.A. Pat.
  • Both the Bell and the Edison Companies opened negotiations with the Post Office for the sale of their patents to the government, but without success.
  • A telephone transmitter and a receiver on a novel plan were patented in July 1877 by Edison, shortly after the introduction of Bell's instruments.
  • Experiments very similar to these of Edison were made by Elisha Gray of Boston, Mass., and described by him in papers communicated to the American Electrical Society in 1875 and 1878.
 

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