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 viii
... passing in the minds of those of the general public who gave the subject a thought . Well , two years have now elapsed , and the unbounded potentialities of the new telegraphy have been whittled down by actual experiment to small ...
... passing in the minds of those of the general public who gave the subject a thought . Well , two years have now elapsed , and the unbounded potentialities of the new telegraphy have been whittled down by actual experiment to small ...
Página 13
... passing electricity across rivers may be useful , although experience alone can determine whether lofty spars , on which the wires may be suspended , erected in the rivers , may not be deemed the most practical . The experi- ments made ...
... passing electricity across rivers may be useful , although experience alone can determine whether lofty spars , on which the wires may be suspended , erected in the rivers , may not be deemed the most practical . The experi- ments made ...
Página 24
... pass on through the water itself . This proposition was certainly startling , but he illustrated it on a small scale by means of a water- trough , and , so far as the experiment went , it faithfully developed the principle . Mr Lindsay ...
... pass on through the water itself . This proposition was certainly startling , but he illustrated it on a small scale by means of a water- trough , and , so far as the experiment went , it faithfully developed the principle . Mr Lindsay ...
Página 27
... pass across the water , through the opposite wires , and recross at F , than take the direct course CD ; or , more correctly speaking , the current will divide itself between the two courses in inverse ratio to their resistances . As ...
... pass across the water , through the opposite wires , and recross at F , than take the direct course CD ; or , more correctly speaking , the current will divide itself between the two courses in inverse ratio to their resistances . As ...
Página 30
... passing through a coil to move a needle , and to have on the other side two sheets similarly connected , and nearly opposite the two former . Experiments had shown that only a fractional part of the electricity generated goes across ...
... passing through a coil to move a needle , and to have on the other side two sheets similarly connected , and nearly opposite the two former . Experiments had shown that only a fractional part of the electricity generated goes across ...
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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