A History of Wireless Telegraphy: Including Some Bare-wire Proposals for Subaqueous TelegraphsBlackwood, 1901 - 348 páginas |
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Página 11
... river as to cause the water itself to conduct the electricity across . The experiment , however , was deferred till I arrived in Washington ; and on December 16 , 1842 , I tested my arrangement across the canal , and with success . The ...
... river as to cause the water itself to conduct the electricity across . The experiment , however , was deferred till I arrived in Washington ; and on December 16 , 1842 , I tested my arrangement across the canal , and with success . The ...
Página 12
... river through the water to plate i , and thence around the coil of the galvanometer to plate f , across the river again to plate g , and thence to the other pole of the battery , N. " The distance across the canal is 80 feet ; on August ...
... river through the water to plate i , and thence around the coil of the galvanometer to plate f , across the river again to plate g , and thence to the other pole of the battery , N. " The distance across the canal is 80 feet ; on August ...
Página 13
... rivers may be useful , although experience alone can determine whether lofty spars , on which the wires may be suspended ... river , at Havre - de - Grace , with complete success , a distance of nearly a mile . " 1 JAMES BOWMAN LINDSAY ...
... rivers may be useful , although experience alone can determine whether lofty spars , on which the wires may be suspended ... river , at Havre - de - Grace , with complete success , a distance of nearly a mile . " 1 JAMES BOWMAN LINDSAY ...
Página 24
... rivers or seas , the electric influence can be made to pass on through the water itself . This proposition was certainly startling , but he illustrated it on a small scale by means of a water- trough , and , so far as the experiment ...
... rivers or seas , the electric influence can be made to pass on through the water itself . This proposition was certainly startling , but he illustrated it on a small scale by means of a water- trough , and , so far as the experiment ...
Página 27
... river is nearly three - quarters of a mile wide . Of the few friends who assisted at these experiments Mr Loudon of Dundee is , I believe , the only one now left . He tells us that Lindsay would station them on one side of the Tay ...
... river is nearly three - quarters of a mile wide . Of the few friends who assisted at these experiments Mr Loudon of Dundee is , I believe , the only one now left . He tells us that Lindsay would station them on one side of the Tay ...
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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