The Telegraph in American and Morse Memorialauthor, 1886 - 894 σελίδες |
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Σελίδα 77
... battery still more powerful , yet less constant , employing for metals zinc and platinum , and nitric and sulphuric acids . This was the battery first used on the Morse lines , and by some still preferred . Bunsen substituted carbon for ...
... battery still more powerful , yet less constant , employing for metals zinc and platinum , and nitric and sulphuric acids . This was the battery first used on the Morse lines , and by some still preferred . Bunsen substituted carbon for ...
Σελίδα 868
... battery came next in review . When the first lines were built , the Grove battery with its mercury - coated zincs , porous cells , nitric and sulphuric acid , was the only efficient battery known . Operators could be identified by their ...
... battery came next in review . When the first lines were built , the Grove battery with its mercury - coated zincs , porous cells , nitric and sulphuric acid , was the only efficient battery known . Operators could be identified by their ...
Σελίδα 870
... battery acting on a wire sur- rounding a relay , that in the act of transmission of a message to a dis- tant station ... battery . The main batteries at two terminal stations presented negative poles to the line , and , with the keys ...
... battery acting on a wire sur- rounding a relay , that in the act of transmission of a message to a dis- tant station ... battery . The main batteries at two terminal stations presented negative poles to the line , and , with the keys ...
Περιεχόμενα
CHAPTER | 1 |
CHAPTER 52Continued | 3 |
ATLANTIC AND OHIO TELEGRAPH COMPANY J | 15 |
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The Telegraph in American and Morse Memorial (Classic Reprint) James D. Reid Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
afterward Alfred Vail American Telegraph Company Amos Kendall appointed Atlantic Atlantic Telegraph Company Baltimore battery became Board Boston built cable capital cent character charge Chicago chief Cincinnati circuit Company's conductors connection construction contract Directors District dividends duties Eckert electricity entered the service enterprise erected Erie executive experiments Ezra Cornell F. O. J. Smith George Henry Hiram Sibley honor instrument insulation interest invention Isaac Butts James John Kendall known labor lease lever Louis Louisville Manager ment messages miles of wire Montreal Telegraph Company Morse patent Morse's O'Reilly Ohio Ohio Company operator organized Orleans Orton Pacific pany Philadelphia Pittsburgh poles President Prof Professor Morse Railroad Company received route Secretary secured Sibley soon Stager success Superintendent tele telegraph lines tion Treasurer Union Co Union Telegraph Company United vigor Washington West Western Telegraph Co Western Union Company Western Union Telegraph William Orton York