A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 sider |
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Side 62
... secondary coil containing nearly a mile of No. 35 copper wire . The secondary coil was placed immediately behind the plates , and behind this was placed a flat primary coil . " At the sending station the primary coil was connected with ...
... secondary coil containing nearly a mile of No. 35 copper wire . The secondary coil was placed immediately behind the plates , and behind this was placed a flat primary coil . " At the sending station the primary coil was connected with ...
Side 94
... secondary coil , an electro - motive force of , say , 100 volts . The battery is so 1 ' Public Opinion , ' January 31 , 1886 . connected that it not only furnishes the current for the 94 SECOND PERIOD - THE PRACTICABLE . PROFESSOR A E ...
... secondary coil , an electro - motive force of , say , 100 volts . The battery is so 1 ' Public Opinion , ' January 31 , 1886 . connected that it not only furnishes the current for the 94 SECOND PERIOD - THE PRACTICABLE . PROFESSOR A E ...
Side 95
... secondary coil and its terminals c and н'.1 " Now , if words be spoken in proximity to transmitter T , the vibration of its diaphragm will disturb the electric con- dition of the coil G , and thereby vary the potential of the ground at ...
... secondary coil and its terminals c and н'.1 " Now , if words be spoken in proximity to transmitter T , the vibration of its diaphragm will disturb the electric con- dition of the coil G , and thereby vary the potential of the ground at ...
Side 98
... secondary coil " open " alone sufficing.1 Prof. Dolbear's account of the action of his apparatus is in places a little puzzling , which , perhaps , can hardly be wondered at , for Hertz had not yet come to make clear the way which the ...
... secondary coil " open " alone sufficing.1 Prof. Dolbear's account of the action of his apparatus is in places a little puzzling , which , perhaps , can hardly be wondered at , for Hertz had not yet come to make clear the way which the ...
Side 106
... secondary wire of which is of extremely high resistance , and is in the circuit of wire 1 , in which is also connected a telephone o of high resistance . This is preferably an electro - moto- graph telephone , the chalk cylinder of ...
... secondary wire of which is of extremely high resistance , and is in the circuit of wire 1 , in which is also connected a telephone o of high resistance . This is preferably an electro - moto- graph telephone , the chalk cylinder of ...
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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 |
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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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