A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 páginas |
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... ment of the idea . " - Literature . " The record presented by Mr Fahie is interesting and instructive , and his book should be read by all who are interested in the develop- ment of the latest idea in science . " — Illustrated London ...
... ment of the idea . " - Literature . " The record presented by Mr Fahie is interesting and instructive , and his book should be read by all who are interested in the develop- ment of the latest idea in science . " — Illustrated London ...
Página viii
... ment , as mentioned at p . 160. As regards the Hertzian- wave form , we have many new experimenters in the field , whose " inventions , " although generally said to be unlike Marconi's , seem to differ from it chiefly in points of con ...
... ment , as mentioned at p . 160. As regards the Hertzian- wave form , we have many new experimenters in the field , whose " inventions , " although generally said to be unlike Marconi's , seem to differ from it chiefly in points of con ...
Página 13
... ments made were but for a short distance ; in which , how- ever , the principle was fully proved to be correct . It has been applied under the direction of my able assistants , Messrs Vail and Rogers , across the Susquehanna river , at ...
... ments made were but for a short distance ; in which , how- ever , the principle was fully proved to be correct . It has been applied under the direction of my able assistants , Messrs Vail and Rogers , across the Susquehanna river , at ...
Página 20
... instru- ment in Germany in 1835-36 dates the first real start of electric telegraphy . See my ' History of Electric Telegraphy , ' chap . ix . Railway , twenty - two miles long ; and Bain 20 FIRST PERIOD - THE POSSIBLE .
... instru- ment in Germany in 1835-36 dates the first real start of electric telegraphy . See my ' History of Electric Telegraphy , ' chap . ix . Railway , twenty - two miles long ; and Bain 20 FIRST PERIOD - THE POSSIBLE .
Página 25
... ment on one side of the water , z ; B , B , the battery and instrument on the opposite side ; C , D , E , F , metallic or ... ments , as shown . " As regards the power or primary agent , it may be either voltaic , galvanic , or magnetic ...
... ment on one side of the water , z ; B , B , the battery and instrument on the opposite side ; C , D , E , F , metallic or ... ments , as shown . " As regards the power or primary agent , it may be either voltaic , galvanic , or magnetic ...
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, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Visualização integral - 1900 |
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 Cheap Edition circuit communication condenser conducting conductor connected copper wire Crown 8vo Daniell cell Demy 8vo detector diameter discharge distance disturbance Dundee earth effect Elec electric waves electrical oscillations Electrician electro-magnetic employed ether ethereal waves exciter experiments Fcap feet filings Flat Holm galvanometer gutta-percha Hertz Hertzian waves Illustrations inch increase induction coil iron Leclanché cells length Leyden jar light lighthouse Lindsay magnetic Marconi means ments messages metallic method metres microphone miles Morse Muckle Flugga needle obtained ohms ordinary paper parallel pass patent plates poles Portraits possible Post 8vo practical produced Prof Professor receiving instrument reflector relay resistance Scotland Second Edition secondary sending sensitive tube ship shore shown signals space spark-gap sparks station surface telegraph telephone terminals tion transmitting trembler tricity vertical wire vibrations Willoughby Smith wire wireless telegraphy yards
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