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 ...
expresses itself thus:— " No doubt the discovery of the principles upon which the electric telegraph system is founded does not belong to M. Morse, but he was the first to transfer that ...
a paper on the proposed union of the telegraph and exhaustive statement of the present condition of the electric telegraph in Europe and America. View Full Article in Timesmachine » Advertisement ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback