A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire Proposals for Subaqueous TelegraphsDodd, Mead & Company, 1900 - 325 páginas |
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Página 27
... resistances through c E and D F will be so much less than that through the water between c and D , that more of the current will pass across the water , through the opposite wires , and recross at F , than take the direct course CD ; or ...
... resistances through c E and D F will be so much less than that through the water between c and D , that more of the current will pass across the water , through the opposite wires , and recross at F , than take the direct course CD ; or ...
Página 36
... resistance ; the rays will then form a series of curves , growing larger and larger , until , by reason of increasing distance , the electricity following the outer curves is so infinitesimal as to be no longer perceptible . " These ...
... resistance ; the rays will then form a series of curves , growing larger and larger , until , by reason of increasing distance , the electricity following the outer curves is so infinitesimal as to be no longer perceptible . " These ...
Página 41
... water will retain a very appreciable charge for a quarter of an hour ; and even when we attempt to discharge it continuously through a resistance of about thirty units [ ohms ] , it will retain an E. AND H. HIGHTON . 41.
... water will retain a very appreciable charge for a quarter of an hour ; and even when we attempt to discharge it continuously through a resistance of about thirty units [ ohms ] , it will retain an E. AND H. HIGHTON . 41.
Página 42
... resistance coils , condensers , and plates of copper in liquids , acting at once as faults and as condensers , so that I might learn as far as possible to what extent the principle of non - insulation can be carried , and I have ...
... resistance coils , condensers , and plates of copper in liquids , acting at once as faults and as condensers , so that I might learn as far as possible to what extent the principle of non - insulation can be carried , and I have ...
Página 43
... resistance equal to that of the Atlantic cable ( experiment performed ) . Another great merit of this instrument is its ready adaptability to the circumstances in which it may be placed , as it is easy to increase or diminish the length ...
... resistance equal to that of the Atlantic cable ( experiment performed ) . Another great merit of this instrument is its ready adaptability to the circumstances in which it may be placed , as it is easy to increase or diminish the length ...
Outras edições - Ver tudo
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Visualização integral - 1899 |
A History of Wireless Telegraphy: Including Some Bare-wire Proposals for ... John Joseph Fahie Visualização integral - 1901 |
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Visualização integral - 1900 |
Palavras e frases frequentes
apparatus arrangement battery cable cells centimetres charged Cheaper Edition circuit communication condensers conducting conductor connected copper wire Crown 8vo Daniell cell Demy 8vo detector diameter discharge distance disturbance Dundee earth effect Elec electric current electric waves electrical oscillations Electrician electro-magnetic employed ether ethereal waves exciter experiments Fcap feet filings Flat Holm galvanometer gutta-percha Hertz Illustrations inch increase induction coil Inst iron Leclanché cells length Leyden jar light lighthouse Lindsay magnetic Marconi means ments messages metallic method miles Morse Muckle Flugga needle obtained ohms ordinary paper parallel pass plates poles Portrait possible Post 8vo practical Preece produced Prof Professor receiving instrument reflector relay resistance river Scotland Second Edition secondary sensitive tube shore signals space sparks station surface tele telegraph telephone terminals tion transmitting trembler tricity University of Edinburgh vibrations vols Willoughby Smith wire wireless telegraphy yards
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