The Pursuit of Knowledge Under Difficulties: Its Pleasures and Rewards, Illustrated by Memoirs of Eminent Men, Volumen 2Harper & Brothers, 1840 - 562 páginas |
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Página 18
... experiments , the expense of which cannot be afforded by the generality of students ; the possession of all these things , to the mind that knows how to profit by them , is indeed invaluable . We have seen what they produced in Napier's ...
... experiments , the expense of which cannot be afforded by the generality of students ; the possession of all these things , to the mind that knows how to profit by them , is indeed invaluable . We have seen what they produced in Napier's ...
Página 26
... experiments in various departments of physical science , some of them the same which Galileo had cultivated , prob- ably never even beheld his illustrious precursor ; but we cannot tell how much of Boyle's love of ex- perimental inquiry ...
... experiments in various departments of physical science , some of them the same which Galileo had cultivated , prob- ably never even beheld his illustrious precursor ; but we cannot tell how much of Boyle's love of ex- perimental inquiry ...
Página 28
... experiments upon the mechanical properties of the air , by which he first made himself generally known to the public , and the results of which rank among the most important of his con- tributions to natural science . The first account ...
... experiments upon the mechanical properties of the air , by which he first made himself generally known to the public , and the results of which rank among the most important of his con- tributions to natural science . The first account ...
Página 29
... experiment of the Magdeburg hemispheres . Guericke , how- ever , afterward adopted another method of ex- hausting a vessel of its contained air , which could be applied more generally than the one he had first employed . This consisted ...
... experiment of the Magdeburg hemispheres . Guericke , how- ever , afterward adopted another method of ex- hausting a vessel of its contained air , which could be applied more generally than the one he had first employed . This consisted ...
Página 30
... experiment , if no way could have been found of pushing back the pis- ton for another draught , without forcing also the air beyond it into the vessel again , and thus merely restoring matters to the state in which they were at the ...
... experiment , if no way could have been found of pushing back the pis- ton for another draught , without forcing also the air beyond it into the vessel again , and thus merely restoring matters to the state in which they were at the ...
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Términos y frases comunes
acquaintance acquired afterward appeared applied Arkwright artist astronomy attempt attention Bacon Belzoni Boulton and Watt Boyle brother called Capel Lofft character Charlemagne chym chymistry considerable contrivance cotton cultivation cylinder Davy Devizes discoveries distinguished early employed engaged engine England exertion experiments extraordinary father favourite formed fortunate friends genius George Bloomfield honour immediately improvement ingenuity invention Italy JAMES WATT known labours learned Ledyard leisure letter literary London machine machinery manner means mechanical ment mentioned merely mind Muscovy Napier native nature never object obtained occasion occupied painting persons philosopher piston principal probably proceeded produced profession pursuit of knowledge quantity received refracting telescope regard remarked residence Rome Royal Society Russia says sion soon steam success talents telescope thing tion took Tycho Brahe vacuum vessel Watt weft writing Yakutsk young
Pasajes populares
Página 186 - It can engrave a seal, and crush masses of obdurate metal like wax before it, — draw out, without breaking, a thread as fine as gossamer, and lift a ship of war like a bauble in the air. It can embroider muslin, and forge anchors, — cut steel into ribands, and impel loaded vessels against the fury of the winds and waves.
Página 218 - ... hunger and nakedness to the utmost extremity of human suffering. I have known what it is to have food given me as charity to a madman ; and I have at times been obliged to shelter myself under the miseries of that character, to avoid a heavier calamity. My distresses have been greater than I have ever owned, or ever will own to any man. Such evils are terrible to bear ; but they never yet had power to turn me from my purpose. If I live, I will faithfully perform, in its utmost extent, my engagement...
Página 243 - Seathwaite and Ulpha, annexed together, would be apt to cause a general discontent among the inhabitants of both places ; by either thinking themselves slighted, being only served alternately, or neglected in the duty, or attributing it to covetousness in me ; all which occasions of murmuring I would willingly avoid.
Página 107 - Soon after he married, Robert told me, in a letter, that he had sold his fiddle, and got a wife.' Like most poor men, he got a wife first, and had to get household stuff afterward. It took him some time to get out of readyfurnished lodgings.
Página 230 - April, 1785. This being done, I then condescended to see how other people wove ; and you will guess my astonishment when I compared their easy modes of operation with mine. Availing myself, however, of what I then saw, I made a loom in its general principles nearly as they are now made. But it was not till the year 1787 that I completed my invention, when I took out my last weaving patent, August the 1st of that year.
Página 107 - Paradise Lost,' and some novels. These books he lent to Robert ; who spent all his leisure hours in reading the 'Seasons,' which he was now capable of reading. I never heard him give so much praise to any book as to that.
Página 188 - That he should have been minutely and extensively skilled in chymistry 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 163 - 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 28 - New Experiments Physico-Mechanical, touching the spring of the air and .its effects.
Página 263 - There is a house full of people, and right nasty. The Czar lies next your library, and dines in the parlour next your study. He dines at ten o'clock and six at night ; is very seldom at home a whole day. Very often in the King's yard, or by water, dressed in several dresses. The King is expected there this day ; the best parlour is pretty clean for him to be entertained in ; the King pays for all he has.