A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 sider |
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Side xv
... containing much necessary information for which I could not conveni- ently find room in the body of the work . Appendix A deals with the philosophic views of the relation between electricity and light before and after Hertz , who , for ...
... containing much necessary information for which I could not conveni- ently find room in the body of the work . Appendix A deals with the philosophic views of the relation between electricity and light before and after Hertz , who , for ...
Side 7
... containing an electro- magnet . Davy always spoke of the relay as the " renewer " or the " renewing wire " ; and by dip he meant to dip into mercury , or , as we say nowadays , to close the circuit . end ; or some arrangement like the ...
... containing an electro- magnet . Davy always spoke of the relay as the " renewer " or the " renewing wire " ; and by dip he meant to dip into mercury , or , as we say nowadays , to close the circuit . end ; or some arrangement like the ...
Side 22
... contain a cubic foot , weighing 9000 ounces , of the value of about £ 36 sterling . Owing to the inequalities in the bottom of the ocean , the distance to America might be 3000 miles , and the expense £ 36,000 sterling — a trifle when ...
... contain a cubic foot , weighing 9000 ounces , of the value of about £ 36 sterling . Owing to the inequalities in the bottom of the ocean , the distance to America might be 3000 miles , and the expense £ 36,000 sterling — a trifle when ...
Side 35
... containing " the first really prac- tical suggestion in the direction of inductive telegraphy " ; but , as we now see , it is not the first suggestion , and it is certainly not inductive . journal , to draw attention to a principle upon ...
... containing " the first really prac- tical suggestion in the direction of inductive telegraphy " ; but , as we now see , it is not the first suggestion , and it is certainly not inductive . journal , to draw attention to a principle upon ...
Side 58
... contain the in- ventor's last word on the subject . A , Z ( fig . 4 ) are copper and zinc plates respectively , curved as ... containing a coil of insulated copper wire , No. 16 gauge , wound upon a wooden reel . The ends of the coil are ...
... contain the in- ventor's last word on the subject . A , Z ( fig . 4 ) are copper and zinc plates respectively , curved as ... containing a coil of insulated copper wire , No. 16 gauge , wound upon a wooden reel . The ends of the coil are ...
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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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