The Telegraphic Journal and Electrical Review, Томове 5–6Henry Gillman, 1877 |
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acid action American apparatus armature arrangement axis battery carbon cause cell cent circuit coil communication condenser conductor connected copper core cylinder Direct Company disc discharge distance dividend effect electric current electric light electric telegraph electro-magnet electro-motive force electrodes electrometer employed exhibited experiments fact galvanometer glass Gramme machine gutta-percha heat Improvements inches increase india-rubber induction induction coil instrument insulated invention iron lamp length lever liquid machine magnet magneto-electric matter means ment Messrs metal miles millimetres motion observed obtained ohms ordinary paper passed patent plate platinum poles position Preece produced Prof Professor quadruplex telegraphy quantity railway receiving relay rendered resistance rotation rubber shareholders Siemens signals Society of Telegraph sound station sulphur surface tele Telegraph Company Telegraph Engineers TELEGRAPHIC JOURNAL telephone temperature testing tion transmitting tricity tube vibrations vulcanised wheel Willoughby Smith wire zinc
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Страница 304 - I have rather," he writes in 1831, "been desirous of discovering new facts and new relations dependent on magnetoelectric induction, than of exalting the force of those already obtained, being assured that the latter would find their full development hereafter.
Страница 78 - McLeod, the Earl of Rosse, DCL , FRS, Prof. WC Unwin, B.Sc., R. Wormell, D.Sc. Prof. HLF Helmholtz and Prof. WE Weber were elected Honorary Members of the Society. After votes of thanks had been passed to the Lords of the Committee of Council on Education for the use of the physical lecture room at South Kensington, as...
Страница 275 - And wi' the lave ilk merry morn Could rank my rig and lass, Still shearing, and clearing The tither stocked raw, Wi' claivers, an' haivers, Wearing the day awa : Ev'n then a wish, (I mind its power,) A wish that to my latest hour Shall strongly heave my breast ; That I for poor auld Scotland's sake, Some usefu' plan, or beuk could make, Or sing a sang at least.
Страница 19 - Two wires, one connected with the positive, and the other with the negative pole of a...
Страница 23 - Emile the idea that man is inherently good, and carried it on to its logical conclusion, proclaiming man to be a child of God. The divinity of man was the great belief of all New England Transcendentalists. Man as the child of God, they said, possesses a divine nature. Emile may thus be said to have inaugurated a new era in the history of...
Страница 39 - Patience !" the priest would say; "have faith, and thy prayer will be answered ! Look at this delicate plant that lifts its head from the meadow, See how its leaves are turned to the north, as true as the magnet ; This is the compass-flower, that the finger of God has planted Here in the houseless wild, to direct the traveller's journey Over the sea-like, pathless, limitless waste of the desert.
Страница 71 - Otacousticons may be improv'd, nor what other wayes there may be of quickning our hearing, or conveying sound through other bodies than the Air : for that that is not the only medium I can assure the Reader, that I have, by the help of a distended wire, propagated the sound to a very considerable distance in an instant, or with as seemingly quick a motion as that of light, at least incomparably quicker than that which at the same time was propagated through the Air ; and this not only in a straight...
Страница 24 - Alexander Bain ; with a Vindication of his claim to be the First Inventor of the Electro-Magnetic Printing Telegraph, and also of the Electro-Magnetic Clock.
Страница 291 - I have heard that there is such a thing as being ' penny wise and pound foolish.
Страница 71 - And as glasses have highly promoted our seeing, so 'tis not improbable, but that there may be found many mechanical inventors to improve our other senses, of hearing, smelling, tasting, touching. 'Tis not impossible to hear a whisper a furlong's distance, it having been already done ; and perhaps the nature of the thing would not make it more impossible, though that furlong should be ten times multiplied.