Heroes of invention and discovery, selected by the editor of 'Risen by perseverance'. |
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Página
... drawn from a well - known book , " The Pursuit of Knowledge under Diffi- culties , " by the late Professor Craik ; London , 1830 ; with some slight exceptions , the other articles composing the bulk of the book are selected from ...
... drawn from a well - known book , " The Pursuit of Knowledge under Diffi- culties , " by the late Professor Craik ; London , 1830 ; with some slight exceptions , the other articles composing the bulk of the book are selected from ...
Página 9
... barrel of perfectly equal bore throughout , and having in it a closely - fitting plug or piston , to have been inserted in the mouth of the vessel , it is evident that , when this piston was drawn up from the bottom to the ROBERT BOYLE . 9.
... barrel of perfectly equal bore throughout , and having in it a closely - fitting plug or piston , to have been inserted in the mouth of the vessel , it is evident that , when this piston was drawn up from the bottom to the ROBERT BOYLE . 9.
Página 10
Robert Cochrane (miscellaneous writer.) this piston was drawn up from the bottom to the top of the barrel , it would carry along with it all the air that had previously filled the space through which it had passed . Now were air , like ...
Robert Cochrane (miscellaneous writer.) this piston was drawn up from the bottom to the top of the barrel , it would carry along with it all the air that had previously filled the space through which it had passed . Now were air , like ...
Página 11
... drawn out , as we have already described , was again pushed back , the air in the barrel was prevented from getting back into the vessel by the farther valve , now shut against it , while it was at the same time provided with an easy ...
... drawn out , as we have already described , was again pushed back , the air in the barrel was prevented from getting back into the vessel by the farther valve , now shut against it , while it was at the same time provided with an easy ...
Página 36
... drawing it off , to undergo that operation in some other vessel . This fortunate idea having presented itself to his thoughts , it was not very long before his ingenuity also suggested to him the means of realising it . In the course of ...
... drawing it off , to undergo that operation in some other vessel . This fortunate idea having presented itself to his thoughts , it was not very long before his ingenuity also suggested to him the means of realising it . In the course of ...
Términos y frases comunes
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
Pasajes populares
Página 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.
Página 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...
Página 116 - ... there's a divinity that shapes our ends, rough hew them how we will.
Página 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 ? "
Página 75 - The manner of the carriage is by laying rails of timber from the colliery...
Página 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.
Página 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.
Página 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.
Página 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...
Página 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.