Nature, Količina 19Sir Norman Lockyer Macmillan Journals Limited, 1878 |
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Zadetki 1–3 od 51
Stran 13
... Edison in his " carbon relay , a reprint account of which was published in the Telegraphic Journal for July 1 , 1877 , and the simple form of this relay ( Fig . 4 ) resembles in construction and in principle the so - called hammer and ...
... Edison in his " carbon relay , a reprint account of which was published in the Telegraphic Journal for July 1 , 1877 , and the simple form of this relay ( Fig . 4 ) resembles in construction and in principle the so - called hammer and ...
Stran 57
... Edison to associate an induction - coil with his arrangement . But difficulties arose from the high resistance of the plumbago cylinder he first used . Ulti- mately he constructed a transmitter in which a thin slice or button of a semi ...
... Edison to associate an induction - coil with his arrangement . But difficulties arose from the high resistance of the plumbago cylinder he first used . Ulti- mately he constructed a transmitter in which a thin slice or button of a semi ...
Stran 59
... Edison's professional assistant , who had charge at the Norwich end , was distinctly recognisable in London . Remarks passed on the weather showed that a storm of snow and sleet was going on at both ends , and the insulation therefore ...
... Edison's professional assistant , who had charge at the Norwich end , was distinctly recognisable in London . Remarks passed on the weather showed that a storm of snow and sleet was going on at both ends , and the insulation therefore ...
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