A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 páginas |
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Página 2
... similar space charged with the opposite electricity , with a wire going to , and dipping into , the sea . On leading another wire from the sea - shore to the electrified spot at Mallorca , the communication between the two charged ...
... similar space charged with the opposite electricity , with a wire going to , and dipping into , the sea . On leading another wire from the sea - shore to the electrified spot at Mallorca , the communication between the two charged ...
Página 25
... similar metal balls , plates , or tubes , immersed as above stated , and having wires attached to them which lead to , and are in connection with , another battery and needle indicator , or other suitable telegraphic instrument . A , A ...
... similar metal balls , plates , or tubes , immersed as above stated , and having wires attached to them which lead to , and are in connection with , another battery and needle indicator , or other suitable telegraphic instrument . A , A ...
Página 28
... similar experiment on the Serpentine , but I have not found any published record of it . " 1 In August 1854 Lindsay carried out a series of experi- ments at Portsmouth , in which , according to a notice in the Morning Post ' ( August 28 ) ...
... similar experiment on the Serpentine , but I have not found any published record of it . " 1 In August 1854 Lindsay carried out a series of experi- ments at Portsmouth , in which , according to a notice in the Morning Post ' ( August 28 ) ...
Página 36
... similar length of wire be erected on the opposite coast , as near to , and parallel with , it as possible , with its ends also dipping into the earth or sea . In this circuit place an instrument con- sisting of ten , twenty , or more ...
... similar length of wire be erected on the opposite coast , as near to , and parallel with , it as possible , with its ends also dipping into the earth or sea . In this circuit place an instrument con- sisting of ten , twenty , or more ...
Página 38
... similar nature ; 1 but Mr Wilkins was himself the first to put it in practice , and under the following interesting cir- cumstances : In 1851 he went to America to assist Henry O'Reilly of New York , a well - known journalist , who had ...
... similar nature ; 1 but Mr Wilkins was himself the first to put it in practice , and under the following interesting cir- cumstances : In 1851 he went to America to assist Henry O'Reilly of New York , a well - known journalist , who had ...
Outras edições - Ver tudo
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Visualização integral - 1899 |
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Visualização integral - 1900 |
A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire ... John Joseph Fahie Visualização integral - 1900 |
Palavras e frases frequentes
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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