A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 sider |
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Side 10
... tubes under the ground or along the sea - bottom . " If our supposition be correct , and if Edwards contemplated the use of compressed air , his proposal was certainly novel ; but if he designed the use of compressed water , the idea ...
... tubes under the ground or along the sea - bottom . " If our supposition be correct , and if Edwards contemplated the use of compressed air , his proposal was certainly novel ; but if he designed the use of compressed water , the idea ...
Side 19
... tube without air , and neither wind nor water is capable of extinguishing it . It does not inflame paper nor any other combustible . These are facts . " As I intend in a short time to give a lecture on the subject , my views on the ...
... tube without air , and neither wind nor water is capable of extinguishing it . It does not inflame paper nor any other combustible . These are facts . " As I intend in a short time to give a lecture on the subject , my views on the ...
Side 25
... tubes , or plates placed in the water or in moist ground adjacent to the water at a certain distance apart , according to the width of the water to be crossed ( the distance between the two balls , plates , or tubes to be greater than ...
... tubes , or plates placed in the water or in moist ground adjacent to the water at a certain distance apart , according to the width of the water to be crossed ( the distance between the two balls , plates , or tubes to be greater than ...
Side 188
... central hole ) , but is connected to the metallic tube c , which completely sur- rounds ( without touching it ) the central wire for a length of 1.5 metre . On sending a series of waves 188 THIRD PERIOD THE PRACTICAL .
... central hole ) , but is connected to the metallic tube c , which completely sur- rounds ( without touching it ) the central wire for a length of 1.5 metre . On sending a series of waves 188 THIRD PERIOD THE PRACTICAL .
Side 189
... tube , and runs b α A d Fig . 31A . back in the space between the tube and the wire to the spark - gap , where it gives rise to the sparking . That this view is the correct one is shown by the fact , amongst others , that every trace of ...
... tube , and runs b α A d Fig . 31A . back in the space between the tube and the wire to the spark - gap , where it gives rise to the sparking . That this view is the correct one is shown by the fact , amongst others , that every trace 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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