Historical eloge of James Watt, tr. with additional notes by J.P. Muirhead |
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Página 24
... direction , from the vessel in which it is contained , that vessel , by a reaction , has a tendency to move in the direction diametrically opposite . The recoil of a gun charged with gunpowder , is neither more nor less than this ; the ...
... direction , from the vessel in which it is contained , that vessel , by a reaction , has a tendency to move in the direction diametrically opposite . The recoil of a gun charged with gunpowder , is neither more nor less than this ; the ...
Página 25
... direction , and will cause this axis to revolve . Preserving the same arrangement , let us sup- pose that this vertical rotatory axis is hollow , but closed at the upper end ; that it terminates below , like a kind of chimney , in a ...
... direction , and will cause this axis to revolve . Preserving the same arrangement , let us sup- pose that this vertical rotatory axis is hollow , but closed at the upper end ; that it terminates below , like a kind of chimney , in a ...
Página 31
... directions , acting with the same degree of force on the water as on the metal case which contains it . If , at the lower part of this case , we place a cock , as soon as it is turned , the water , expelled by the steam , will rush out ...
... directions , acting with the same degree of force on the water as on the metal case which contains it . If , at the lower part of this case , we place a cock , as soon as it is turned , the water , expelled by the steam , will rush out ...
Página 44
... the vessel made under the direction of Prince Rupert , having paddle - wheels worked by horses ; and which , in a trial on the Thames , witnessed I have hitherto spoken only of steam - engines whose 44 HISTORICAL ELOGE.
... the vessel made under the direction of Prince Rupert , having paddle - wheels worked by horses ; and which , in a trial on the Thames , witnessed I have hitherto spoken only of steam - engines whose 44 HISTORICAL ELOGE.
Página 71
... direction , and execution , there was no need what- ever for calling in the assistance of James Watt . * If , forgetting my duty as the organ of the Aca- demy , I were to try to supply you with matter for amusement , rather than with ...
... direction , and execution , there was no need what- ever for calling in the assistance of James Watt . * If , forgetting my duty as the organ of the Aca- demy , I were to try to supply you with matter for amusement , rather than with ...
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Otras ediciones - Ver todo
Historical Eloge of James Watt, Tr. with Additional Notes by J.P. Muirhead Dominique Francois J Arago No hay ninguna vista previa disponible - 2016 |
Historical Eloge of James Watt, Tr. With Additional Notes by J.P. Muirhead Dominique François J Arago No hay ninguna vista previa disponible - 2023 |
Historical Eloge of James Watt, Tr. With Additional Notes by J.P. Muirhead Dominique François J Arago No hay ninguna vista previa disponible - 2023 |
Términos y frases comunes
admirable apparatus appear applied Arago arts boiler Boulton Boulton and Watt C. H. TURNER called Cavendish Cavendish's paper Charles Blagden claims cock common air communicated condensation cylinder Denys Papin dephlogisticated air discoveries effect elasticity Eloge eminent employed engine England equal erected experiments feel fellow-member force friends gases genius gentlemen Glasgow gratitude Greenock heat Hero of Alexandria honour illustrious improvements inflammable air ingenious invention inventor James Watt kilogram kind labour Lavoisier letter London Lord Brougham machine machinery manufacture mechanical mechanician memory ment mentioned merits mind monument motion nature never Newcomen's observed Papin patent persons philosopher phlogiston piston present Priestley printed produced published raise Robison Royal Society Savery shew Sir Charles Blagden Soho Solomon de Caus steam steam-engine talents theory thousand tion University of Glasgow vessel Watt's whole workmen
Pasajes populares
Página 174 - By his admirable contrivances it has become a thing stupendous alike for its force and its flexibility, for the prodigious power which it can exert, and the ease and precision and ductility with which it can be varied, distributed, and applied. The trunk of an elephant, that can pick up a pin, or rend an oak, is as nothing to it.
Página 33 - A Century of the Names and Scantlings of such Inventions as at present I can call to mind to have tried and perfected...
Página 176 - ... 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. He was well acquainted too with most of the modern languages, and familiar with their most recent literature. Nor was it at all extraordinary to hear the great mechanician and engineer detailing and expounding, for hours together, the metaphysical theories of the German logicians,...
Página 119 - ... up almost to the last moment of his existence, not only the full command of his extraordinary intellect, but all the alacrity of spirit, and the social gaiety which had illuminated his happiest days.
Página 158 - During the last summer also, a friend of mine gave some account of them to M. Lavoisier, as well as of the conclusion drawn from them, that dephlogisticated air is only water deprived of phlogiston ; but at that time so far was M. Lavoisier from thinking any such opinion warranted, that, till he was prevailed upon to repeat the experiment himself, he found some difficulty in believing that nearly the whole of the two airs could be converted into water.
Página 54 - informed that Mr. Newcomen was as early in his invention. " as Mr. Savery was in his, only the latter, being nearer the " Court, had obtained his Patent before the other knew it, on " which account Mr. Newcomen was glad to come in as a
Página 73 - My attention was first directed in the year 1759 to the subject of steam-engines, by the late Dr Robison himself, then a student in the University of Glasgow, and nearly of my own age. He at that time threw out an idea of applying the power of the steam-engine to the moving of wheel -carriages, and to other purposes, but the scheme was not matured, and was soon abandoned on his going abroad.
Página 233 - I have only now to return you my sincere thanks for the honour you have done me...
Página 157 - ... four-fifths of the common air employed ; so that as common air cannot be reduced to a much less bulk than that by any method of phlogistication, we may safely conclude, that when they are mixed in this proportion, and exploded, almost all the inflammable air, and about one-fifth part of the common air, lose their elasticity, and are condensed into the dew which lines the glass.
Página 124 - His talents and fancy overflowed on every subject. One gentleman was a deep philologist, — he talked with him on the origin of the alphabet as if he had been coeval with Cadmus ; another a celebrated critic — you would have said the old man had studied political economy and belles-lettres all his life, — of science it is unnecessary to speak, it was his own distinguished walk.