Heroes of invention and discovery, selected by the editor of 'Risen by perseverance'. |
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Página 11
... inventor was enabled to take advantage of through means of the valve . These two things , in fact , constitute the air - pump ; and what- ever improvements have been since introduced in the con- struction of the machine have gone only ...
... inventor was enabled to take advantage of through means of the valve . These two things , in fact , constitute the air - pump ; and what- ever improvements have been since introduced in the con- struction of the machine have gone only ...
Página 27
... inventor . It was considerably simpli- fied , in particular , by Dr. Desaguliers , about the year 1718 ; and this gentleman also contrived a method of concentrating the steam by the injection of a small current of cold water into the ...
... inventor . It was considerably simpli- fied , in particular , by Dr. Desaguliers , about the year 1718 ; and this gentleman also contrived a method of concentrating the steam by the injection of a small current of cold water into the ...
Página 38
... inventor effectually cured the first and most serious defect of the old apparatus . In carrying his ideas into execution , he encountered , as was to be expected , many difficulties arising principally from the impossibility of ...
... inventor effectually cured the first and most serious defect of the old apparatus . In carrying his ideas into execution , he encountered , as was to be expected , many difficulties arising principally from the impossibility of ...
Página 47
... inventor than by the following extract from the character that has been drawn of him by the eloquent writer ( Lord Jeffrey ) whom we have already quoted : - " Independently of his great attainments in mechanics , Mr Watt was an ...
... inventor than by the following extract from the character that has been drawn of him by the eloquent writer ( Lord Jeffrey ) whom we have already quoted : - " Independently of his great attainments in mechanics , Mr Watt was an ...
Página 84
... inventor , William Murdoch , to his side , who explained to him that this terrible monster was nothing more or less than a locomotive he had invented , and which had broken away from his control . An equal amount of terror was created ...
... inventor , William Murdoch , to his side , who explained to him that this terrible monster was nothing more or less than a locomotive he had invented , and which had broken away from his control . An equal amount of terror was created ...
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.