A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 sider |
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Side 2
... signal arranged beforehand . One could , for example , arrange at Mallorca an area of earth charged with electricity ... signals appeared just as well as if no water had been interposed , but they ceased as soon as the water in the tubs ...
... signal arranged beforehand . One could , for example , arrange at Mallorca an area of earth charged with electricity ... signals appeared just as well as if no water had been interposed , but they ceased as soon as the water in the tubs ...
Side 7
... signals between the most distant places by self - acting means , and without the employment of any conducting wires at all . It is to be done partly by electricity , but combined with another principle , of the correctness of which ...
... signals between the most distant places by self - acting means , and without the employment of any conducting wires at all . It is to be done partly by electricity , but combined with another principle , of the correctness of which ...
Side 28
... signals . I have no record of the results , but they showed the feasibility of the plan . I had , however , to crush poor Lindsay by telling him that it was not new . Morse in 1842 had done the same thing , and Alexander Bain had also ...
... signals . I have no record of the results , but they showed the feasibility of the plan . I had , however , to crush poor Lindsay by telling him that it was not new . Morse in 1842 had done the same thing , and Alexander Bain had also ...
Side 31
... signals would , no doubt , have been equally distinct . Should this law ( when the lateral distance is equal to the transverse ) be found correct , the following table might then be formed : - Zinc for battery . sq . ft . Immersed ...
... signals would , no doubt , have been equally distinct . Should this law ( when the lateral distance is equal to the transverse ) be found correct , the following table might then be formed : - Zinc for battery . sq . ft . Immersed ...
Side 35
... signals between lengths of elevated wires about 120 ft . apart . This , however , suggested nothing more at the moment than that the current discharged from the earth - plates of one line found its way into the earth - plates of another ...
... signals between lengths of elevated wires about 120 ft . apart . This , however , suggested nothing more at the moment than that the current discharged from the earth - plates of one line found its way into the earth - plates of another ...
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A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Uten tilgangsbegrensning - 1899 |
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Uten tilgangsbegrensning - 1900 |
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Uten tilgangsbegrensning - 1900 |
Vanlige uttrykk og setninger
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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