Heroes of invention and discovery, selected by the editor of 'Risen by perseverance'. |
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Seite 23
... fixed ; and it may also have a hole driven through it , to be guarded by a valve , opening upwards or downwards , according to the object in view . Long before the time of Papin it had been proposed to raise weights , or heavy bodies of ...
... fixed ; and it may also have a hole driven through it , to be guarded by a valve , opening upwards or downwards , according to the object in view . Long before the time of Papin it had been proposed to raise weights , or heavy bodies of ...
Seite 55
... fixed Mr. Gilbert's attention ; he entered into conversation with the young man , and , speedily becoming convinced of his extraordinary talents and acquirements , offered him the use of his library , and whatever other assistance he ...
... fixed Mr. Gilbert's attention ; he entered into conversation with the young man , and , speedily becoming convinced of his extraordinary talents and acquirements , offered him the use of his library , and whatever other assistance he ...
Seite 60
... fixed alkalis . Davy determined , if possible , to ascertain this point , and engaged in the investigation with great hopes of success , from the surpassing powers of decomposition which he had found to belong to his new agent , the ...
... fixed alkalis . Davy determined , if possible , to ascertain this point , and engaged in the investigation with great hopes of success , from the surpassing powers of decomposition which he had found to belong to his new agent , the ...
Seite 64
... fixed in a cylindrical vessel , which is everywhere air - tight , except in the bottom , which is formed of fine wire gauze ; and in the upper part , where there is a chimney for carrying off the foul air . The air admitted through the ...
... fixed in a cylindrical vessel , which is everywhere air - tight , except in the bottom , which is formed of fine wire gauze ; and in the upper part , where there is a chimney for carrying off the foul air . The air admitted through the ...
Seite 75
... fixed . A considerable change was accordingly made in the mode of working the colliery , not only in applying the machinery , but employing putters instead of horses in bringing the coals from the hewers ; and by those changes , the ...
... fixed . A considerable change was accordingly made in the mode of working the colliery , not only in applying the machinery , but employing putters instead of horses in bringing the coals from the hewers ; and by those changes , the ...
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.