Heroes of invention and discovery, selected by the editor of 'Risen by perseverance'. |
Im Buch
Ergebnisse 1-5 von 20
Seite 13
... of air as it was at first ; only that by which it is now filled is so much rarefied and reduced in quantity , although it occupies the same space as before , that But it may be considered as , for most practical ROBERT BOYLE . 13.
... of air as it was at first ; only that by which it is now filled is so much rarefied and reduced in quantity , although it occupies the same space as before , that But it may be considered as , for most practical ROBERT BOYLE . 13.
Seite 14
... practical purposes , annihilated . Still a certain quantity , as we have said , remains , be it ever so small ; and this quantity continues , just as at first , to be diffused over the whole space within the receiver . From this ...
... practical purposes , annihilated . Still a certain quantity , as we have said , remains , be it ever so small ; and this quantity continues , just as at first , to be diffused over the whole space within the receiver . From this ...
Seite 27
... practical skill in contriv- ing means of facilitating and improving the working of the apparatus which he had devised upon these principles ; and many of his engines were erected for supplying gentlemen's houses with water and other ...
... practical skill in contriv- ing means of facilitating and improving the working of the apparatus which he had devised upon these principles ; and many of his engines were erected for supplying gentlemen's houses with water and other ...
Seite 29
... practical contrivance which had been proposed , had been found quite inadequate to the raising of water from any considerable depth , its principal power , as we have already remarked , lying , in fact , in the part . of it which acted ...
... practical contrivance which had been proposed , had been found quite inadequate to the raising of water from any considerable depth , its principal power , as we have already remarked , lying , in fact , in the part . of it which acted ...
Seite 64
... practical importance - the possibility of preventing the destructive explosions in coal - mines occasioned by the fire - damp , or inflammable gas , which is found in many parts of them . By a series of experiments , Davy found that ...
... practical importance - the possibility of preventing the destructive explosions in coal - mines occasioned by the fire - damp , or inflammable gas , which is found in many parts of them . By a series of experiments , Davy found that ...
Häufige Begriffe und Wortgruppen
afterwards air-pump appears applied atmosphere attention Bessemer Bessemer process Black Callerton Boulton Boyle called canal carriage chemistry chloroform coals colliery condensation considerable constructed contrivance Crompton cylinder Darlington Davy Davy's discoveries draw early Edinburgh Edward Pease effect employed engine England Ericsson expansive force experiments father Flamstead friends genius George Stephenson heat Henry Cort honour horses improvements ingenious instruments invention inventor iron James Watt JOHN ERICSSON Killingworth labour locomotive London machine machinery manufacture means mechanical ment metal method miles an-hour mind never Newcastle obtained opening Papin Parliament patent perfect philosopher piston principles produced Professor properties proposed quantity rails railway received remarked road ROBERT BOYLE Royal Society Samuel Crompton Samuel Morland says scientific Scotland Simpson soon speed steam steam-engine success tion vacuum vessel waggons West Moor wheel whole writings Wylam young
Beliebte Passagen
Seite 8 - New Experiments Physico-mechanical, touching the spring of the air, and its effects ; (made for the most part in a new pneumatical engine) written .... by the honourable Robert Boyle, Esq* experiment xxxvi.
Seite 21 - An admirable and most forcible way to drive up water by fire, not by drawing or sucking it upwards, for that must be as the philosopher calleth it, infra spheeram activitatis, which is but at such a distance. But this way hath no bounder, if the vessels be strong enough ; for I have taken a piece of a whole cannon, whereof the end was burst, and filled it three...
Seite 116 - ... there's a divinity that shapes our ends, rough hew them how we will.
Seite 99 - Suppose, now, one of these engines to be going along a railroad at the rate of nine or ten miles an hour, and that a cow were to stray upon the line and get in the way of the engine ; would not that, think you, be a very awkward circumstance ? "
Seite 75 - The manner of the carriage is by laying rails of timber from the colliery...
Seite 107 - I said to my friends that there was no limit to the speed of such an engine, provided the works could be made to stand.
Seite 42 - ... consumes none while idle ; it never tires, and wants no sleep ; it is not subject to malady when originally well made, and only refuses to work when worn out with age ; it is equally active in all climates, and will do work of any kind ; it is a water-pumper, a miner, a sailor, a cotton-spinner, a weaver, a blacksmith, a miller, &c., &c.
Seite 48 - ... skilled in chemistry and the arts, and in most of the branches of physical science, might, perhaps, have been conjectured ; but it could not have been inferred from his usual occupations, and, probably, is not generally known, that he was curiously learned in many branches of antiquity, metaphysics, medicine, and etymology, and perfectly at home in all the details of architecture, music, and law.
Seite 108 - I was in education, and made up my mind that he should not labour under the same defect, but that I would put him to a good school, and give him a liberal training. I was, however, a poor man ; and how do you think I managed ? I betook myself to mending my neighbours...
Seite 78 - Ravensworth and partners were the first to entrust me with money to make a locomotive engine. That engine was made thirtytwo years ago; and we called it ' My Lord." I said to my friends, there was no limit to the speed of such an engine, if the works could be made to stand it.