Proceedings of the American Academy of Arts and Sciences, Volumen2Metcalf and Company, 1852 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 235
... made by him on the 4th of February last , to determine the velocity of electricity , through the telegraphic circuit between Washington and St. Louis , OF ARTS AND SCIENCES . 235 He made some remarks upon the orbit of the comet ...
... made by him on the 4th of February last , to determine the velocity of electricity , through the telegraphic circuit between Washington and St. Louis , OF ARTS AND SCIENCES . 235 He made some remarks upon the orbit of the comet ...
Página 251
... electricity , and continued : " It is hardly necessary to remind the Academy of the two theories devised more than a century since to explain the phenomena of electro- statics . One of these theories , known as the theory of Dufay ...
... electricity , and continued : " It is hardly necessary to remind the Academy of the two theories devised more than a century since to explain the phenomena of electro- statics . One of these theories , known as the theory of Dufay ...
Página 252
... electricity ; and that , therefore , the di- rection of the motion , even if it were always the same , would justify no inference in regard to the direction of the electrical current . This motion is another instance of that numerous ...
... electricity ; and that , therefore , the di- rection of the motion , even if it were always the same , would justify no inference in regard to the direction of the electrical current . This motion is another instance of that numerous ...
Página 283
... electric phenomena . All of the tele- graphic instruments were overpowered by currents of atmos- pheric electricity coming in over the wires , lasting , unlike the usual atmospheric disturbances , for several minutes at a time , and in ...
... electric phenomena . All of the tele- graphic instruments were overpowered by currents of atmos- pheric electricity coming in over the wires , lasting , unlike the usual atmospheric disturbances , for several minutes at a time , and in ...
Página 284
... electricity in connection with the aurora on record . The aurora itself , on the 29th of September , was a very remarkable display . It is to be regretted that precise and comparative observations were not made upon the Bain wires ...
... electricity in connection with the aurora on record . The aurora itself , on the 29th of September , was a very remarkable display . It is to be regretted that precise and comparative observations were not made upon the Bain wires ...
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