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 ix
... receiving instruments . hope , therefore , that the same name will be adhered to in any further development of the subject . " If thus the name be allowable in Mr Preece's case where , to bridge a space of , say , one mile , two ...
... receiving instruments . hope , therefore , that the same name will be adhered to in any further development of the subject . " If thus the name be allowable in Mr Preece's case where , to bridge a space of , say , one mile , two ...
Página 9
... receiving back again at London , within the short space of one minute , an acknowledgment of the arrival of such question or message at the place intended , and a distinct answer to it in a few minutes . In principle this engine is ...
... receiving back again at London , within the short space of one minute , an acknowledgment of the arrival of such question or message at the place intended , and a distinct answer to it in a few minutes . In principle this engine is ...
Página 30
... receiving needle ; and ( 4 ) by increasing the lateral distance of the sheets . In cases where lateral distance could be got he recommended increasing it , as then a smaller battery power would suffice . In telegraphing by this method ...
... receiving needle ; and ( 4 ) by increasing the lateral distance of the sheets . In cases where lateral distance could be got he recommended increasing it , as then a smaller battery power would suffice . In telegraphing by this method ...
Página 34
... receiving and distributing electricity almost superficially for some certain or uncertain distance around the terminal earths , and that according to circumstances only . A year later , while occupied with the installation of telegraphs ...
... receiving and distributing electricity almost superficially for some certain or uncertain distance around the terminal earths , and that according to circumstances only . A year later , while occupied with the installation of telegraphs ...
Página 36
... moving or shift- ing its position with reference to the poles of the magnet . This would constitute a receiving apparatus of the most delicate character , for its efficiency would depend not so 36 FIRST PERIOD - THE POSSIBLE .
... moving or shift- ing its position with reference to the poles of the magnet . This would constitute a receiving apparatus of the most delicate character , for its efficiency would depend not so 36 FIRST PERIOD - THE POSSIBLE .
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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