Journal, 8권1879 Vols. 59-95, Dec. 1920-1948 include (1941-48, in pt. 3) Proceedings of the Radio section (as Wireless section, Chairman's address, 1920-40; as Wireless section, Proceedings, 1941-44). |
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자주 나오는 단어 및 구문
Abadeh armature arrangement Atlantic Cable Atlantic Telegraph Company battery Birmingham Wire Gauge bobbins Bushahr C. F. Varley carbon carried cells centimetres circuit communication condenser conductor connected Cooke copper current passes cylinder Dacia diagram disc discharge distance earth currents effect Electric Light Electric Telegraph electro-magnets electro-motive force electro-static employed experiments galvanometer gutta percha Improvements in Apparatus inch induced current induction instrument insulated iron Kazeroon lamp length letter Magneto-Electric Machines means ment mercury messages metal miles minute motion needle obtained OHMS ordinary paper patent permanent magnets Persian plate platinum polarity poles potential practical Preece present President produced proposed Provisional protection receiving resistance coil result revolving rotation sending Shiraz Siemens signals sizes sneezewood Society of Telegraph South Africa speed station straining insulator submarine cable surface Tehran Telegraph Engineers telephone tube Varley volts weight Willoughby Smith words zinc zinc sulphate
인기 인용구
456 페이지 - The vessels referred to in this article, when not making way through the water, shall not carry the side lights, but when making way shall carry them.
367 페이지 - Resolved, that the Secretary of the Treasury be requested to report to the House at its next session upon the propriety of establishing a system of telegraphs for the United States.
389 페이지 - Society ; he was also an Associate Member of the Institution of Civil Engineers...
221 페이지 - ... magnets arranged radially in a flat circle in a plane parallel to that of the disc. Suggests, as an alternative, fixing the disc and rotating the magnets. The apparatus by means of a commutator produces "continuous currents," but the strength keeps varying from a maximum to nought. 1853. SHEPARD, 1587. " Improvements in Magneto-Electric Apparatus suitable for the production of Motive Power, of Heat, and of Light.
456 페이지 - A ship, whether a steamship or a sailing ship, when employed either in laying or in picking up a telegraph cable, or which from any accident is not under command, shall at night carry, in the same position as...
352 페이지 - Mr. Cooke is entitled to stand alone as the gentleman to whom this country is indebted for having practically introduced and carried out the electric telegraph as a useful undertaking, promising to be a work of national importance ; and Professor Wheatstone is acknowledged as the scientific man, whose profound and successful researches had already prepared the public to receive it as a project capable of practical application...
360 페이지 - ... then no question could be entertained of the practicability and utility of the suggestion above adverted to. I was therefore induced to make the trial ; but I found such a sensible diminution with only 200 feet of wire, as at once to convince me of the impracticability of the scheme.
382 페이지 - Never did I feel such a tumultuous sensation before,' said the Professor, ' as when all alone in the still room I heard the needles click, and as I spelled the words I felt all the magnitude of the invention, now proved to be practical beyond cavil or dispute.
456 페이지 - ... and shall by day carry in a vertical line one over the other, not less than six feet apart, where they can best be seen, two black balls or shapes, each two feet in diameter.
355 페이지 - I was so much struck with the wonderful power of electricity and so strongly impressed with its applicability to the practical transmission of telegraphic intelligence, that from that very day I entirely abandoned my former pursuits and devoted myself thenceforth with equal ardour, as all who know me can testify, to the practical realisation of the electric telegraph, an object which has occupied my undivided energies ever since.