A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 sider |
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Side 22
... sent and answers received between Dundee and New York . From ten minutes to twenty minutes past nine communication is made between Dundee and Quebec . The rest of the hour is for intercourse between Dundee and other towns . The same is ...
... sent and answers received between Dundee and New York . From ten minutes to twenty minutes past nine communication is made between Dundee and Quebec . The rest of the hour is for intercourse between Dundee and other towns . The same is ...
Side 25
... sent , I place a battery and telegraph instrument , to which are attached two wires terminating in metal balls , tubes , or plates placed in the water or in moist ground adjacent to the water at a certain distance apart , according to ...
... sent , I place a battery and telegraph instrument , to which are attached two wires terminating in metal balls , tubes , or plates placed in the water or in moist ground adjacent to the water at a certain distance apart , according to ...
Side 40
... sent to any con- siderable distance without the employment of an insulated medium . " On the other hand , Henry Highton long continued to believe in its practicability , and made many further experi- ments to that end . These were ...
... sent to any con- siderable distance without the employment of an insulated medium . " On the other hand , Henry Highton long continued to believe in its practicability , and made many further experi- ments to that end . These were ...
Side 41
... sent a boat down stream with a reel of wire and a battery to signal to me at different dis- tances . The success was so much beyond my expectations , that I next obtained leave to lay down wires in Wimbledon Lake . As the result of all ...
... sent a boat down stream with a reel of wire and a battery to signal to me at different dis- tances . The success was so much beyond my expectations , that I next obtained leave to lay down wires in Wimbledon Lake . As the result of all ...
Side 45
... sent themselves . " To explain the first plan , we will take the case of a river , and in the water near one bank place the copper A B с D Fig . 3 . plates A B , and connect them with a wire , including the battery P. Near the opposite ...
... sent themselves . " To explain the first plan , we will take the case of a river , and in the water near one bank place the copper A B с D Fig . 3 . plates A B , and connect them with a wire , including the battery P. Near the opposite ...
Andre utgaver - Vis alle
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 |
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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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