A History of Wireless Telegraphy, 1838-1899: Including Some Bare-wire Proposals for Subaqueous TelegraphsDodd, Mead & Company, 1900 - 325 páginas |
No interior do livro
Resultados 1-5 de 42
Página 6
... sound and electricity , much as Steinheil suggested the joint use of electricity and heat . The following are the passages to which I refer : - At the end of a long critical examination of Cooke and Wheatstone's first patent of June 12 ...
... sound and electricity , much as Steinheil suggested the joint use of electricity and heat . The following are the passages to which I refer : - At the end of a long critical examination of Cooke and Wheatstone's first patent of June 12 ...
Página 7
... sound and electricity - the original sound pro- ducing vibrations which cause sympathetic vibrations in a unison - sounding apparatus at a distance , this last vibra- tion causing a renewing wire to dip and magnetise soft iron so as to ...
... sound and electricity - the original sound pro- ducing vibrations which cause sympathetic vibrations in a unison - sounding apparatus at a distance , this last vibra- tion causing a renewing wire to dip and magnetise soft iron so as to ...
Página 8
... sound , or for renewing it as required . In the second passage he speaks of something on the principle of the tuning - fork . Now , tuning - forks in com- bination with reflectors may be practicable for short dis- tances , but it is ...
... sound , or for renewing it as required . In the second passage he speaks of something on the principle of the tuning - fork . Now , tuning - forks in com- bination with reflectors may be practicable for short dis- tances , but it is ...
Página 71
... sound by earth and water . A Mr Granier proposed a form of aerial line which was thought to be feasible by the distinguished aeronaut , Gaston Tissandier . The wire ( to be paid out from balloons ) was to be enclosed in gutta - percha ...
... sound by earth and water . A Mr Granier proposed a form of aerial line which was thought to be feasible by the distinguished aeronaut , Gaston Tissandier . The wire ( to be paid out from balloons ) was to be enclosed in gutta - percha ...
Página 80
... sound of a distant rocket ; but the remarkable circumstance for us in this history is , that this sound is always heard just before the flash is seen , showing that there is an inductive disturbance of the electricity overhead , due to ...
... sound of a distant rocket ; but the remarkable circumstance for us in this history is , that this sound is always heard just before the flash is seen , showing that there is an inductive disturbance of the electricity overhead , due to ...
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: Including Some Bare-wire Proposals for ... John Joseph Fahie Visualização integral - 1901 |
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 charged Cheaper Edition circuit communication condensers conducting conductor connected copper wire Crown 8vo Daniell cell Demy 8vo detector diameter discharge distance disturbance Dundee earth effect Elec electric current electric waves electrical oscillations Electrician electro-magnetic employed ether ethereal waves exciter experiments Fcap feet filings Flat Holm galvanometer gutta-percha Hertz Illustrations inch increase induction coil Inst iron Leclanché cells length Leyden jar light lighthouse Lindsay magnetic Marconi means ments messages metallic method miles Morse Muckle Flugga needle obtained ohms ordinary paper parallel pass plates poles Portrait possible Post 8vo practical Preece produced Prof Professor receiving instrument reflector relay resistance river Scotland Second Edition secondary sensitive tube shore signals space sparks station surface tele telegraph telephone terminals tion transmitting trembler tricity University of Edinburgh vibrations vols Willoughby Smith wire wireless telegraphy yards
Passagens conhecidas
Página 30 - TULLOCH. Rational Theology and Christian Philosophy in England in the Seventeenth Century. By JOHN TULLOCH, DD, Principal of St Mary's College in the University of St Andrews ; and one of her Majesty's Chaplains in Ordinary in Scotland. Second Edition. 2 vols. 8vo, 16s.
Página 10 - DESCARTES. The Method, Meditations, and Principles of Philosophy of Descartes. Translated from the Original French and Latin. With a New Introductory Essay, Historical and Critical, on the Cartesian Philosophy. By Professor VEITCH, LL.D., Glasgow University.
Página 29 - Propagation, Culture, and Arrangement of Plants in FlowerGardens all the year round. With Engraved Plans. By DAVID THOMSON, Gardener to his Grace the Duke of Buccleuch, KT, at Drumlanrig.
Página 23 - Svo, 25s. 6d. Scientific Religion; or, Higher Possibilities of Life and Practice through the Operation of Natural Forces.
Página 13 - Japan,' &c. With Portraits of Sir Hope Grant and other Illustrations. Maps and Plans. 2 vols. demy Svo, 21s. GRIER. In Furthest Ind. The Narrative of Mr EDWARD CARLYON of Ellswether, in the County of Northampton, and late of the Honourable East India Company's Service, Gentleman. Wrote by his own hand in the year of grace 1697. Edited, with a few Explanatory Notes, by SYDNEY C. GRIER.
Página 25 - The Early Religion of Israel. As set forth by Biblical Writers and Modern Critical Historians. Being the Baird Lecture for 1888-89.
Página 22 - NICHOLSON. A Manual of Zoology, for the use of Students. With a General Introduction on the Principles of Zoology. By HENRY ALLEYNE NICHOLSON, MD, D.Sc., FLS, FGS, Regius Professor of Natural History in the University of Aberdeen.
Página 26 - KG Sixth Edition. 6d. Employment of Women in the Public Service. 6d. Some of the Advantages of Easily Accessible Reading and Recreation Rooms and Free Libraries.
Página 23 - With Excursions in the Lebanon. With Illustrations and Maps. Demy 8vo, 21s.
Página 7 - Second Edition. Crown 8vo, with numerous Illustrations, 7s. 6d. Cultivated Plants : Their Propagation and Improvement. Including Natural and Artificial Hybridisation, Raising from Seed, Cuttings, and Layers, Grafting and Budding, as applied to the Families and Genera in Cultivation. Crown 8vo, with numerous Illustrations, 12s. 6d. BURTON. The History of Scotland : From Agricola's Invasion to the Extinction of the last Jacobite Insurrection.