The Pursuit of Knowledge Under Difficulties, Volumen 2Harper & brothers, 1847 |
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Página 9
... ancient world , some are said to have spontaneously disencumbered themselves of their inherit- ances , that the cares of managing their property might not interrupt their philosophic pursuits . Crates , Thales , Democritus , Anaxagoras ...
... ancient world , some are said to have spontaneously disencumbered themselves of their inherit- ances , that the cares of managing their property might not interrupt their philosophic pursuits . Crates , Thales , Democritus , Anaxagoras ...
Página 11
... ancient race of Ruric , which , after occupy- ing the throne , for nearly eight centuries , gave place to a new dynasty on the death of Feodore Iwanovitch , commonly called Feodore I. , in 1598. This event , which was immediately ...
... ancient race of Ruric , which , after occupy- ing the throne , for nearly eight centuries , gave place to a new dynasty on the death of Feodore Iwanovitch , commonly called Feodore I. , in 1598. This event , which was immediately ...
Página 22
... ancient languages , and adepts in polemical divinity . Henry VIII . disputed , through the press , with Luther , in Latin . His son , Edward VI . , had he lived , would probably have given proofs of still greater accomplishments in the ...
... ancient languages , and adepts in polemical divinity . Henry VIII . disputed , through the press , with Luther , in Latin . His son , Edward VI . , had he lived , would probably have given proofs of still greater accomplishments in the ...
Página 43
... ancient times , we need mention no others , and we can mention no greater , than Plato and Archi- medes ; both of whom were of distinguished birth , ( the former being a descendant of the family of Solon , the other a near relation of ...
... ancient times , we need mention no others , and we can mention no greater , than Plato and Archi- medes ; both of whom were of distinguished birth , ( the former being a descendant of the family of Solon , the other a near relation of ...
Página 52
... in the methods of the ancient geometers . Napier did not expound the process by which he con- structed his logarithms in his first publication . This ap- peared only in a second work , published at Edinburgh 52 THE PURSUIT OF KNOWLEDGE .
... in the methods of the ancient geometers . Napier did not expound the process by which he con- structed his logarithms in his first publication . This ap- peared only in a second work , published at Edinburgh 52 THE PURSUIT OF KNOWLEDGE .
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Términos y frases comunes
acquaintance acquired afterwards alkali ancient appeared applied Arkwright astronomical attention became born Boyle burning-glasses called Carsten Niebuhr celebrated century character circumstances considerable contrivance cultivation died discovery distinguished early Egypt eminent employed engine England English Europe experiments extraordinary father formed fortune Friesland gave genius Gregorian telescope History of Lancashire honor hundred improvement ingenuity instruction instrument invention John Dollond King labors language Latin language latter learned literary lived London machine manner master means ment mentioned mind Napier native natural never Niebuhr object observation obtained occasion original painter persons philosopher piston poet possession principal probably produced profession pursuit of knowledge received Red Sea reflecting telescope remarkable residence River Thames Royal Royal Society Russia says Scotland Society soon steam telescope thing tion took travels Tycho Brahe vessel visited whole writer
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Página 241 - 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 261 - The trunk of an elephant that can pick up a pin or rend an oak, is as nothing to it. 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 284 - Now you will not assert, gentlemen, said I, that it is more difficult to construct a machine that shall weave than one which shall make all the variety of moves which are required in that complicated game.
Página 261 - By his admirable contrivance, 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 that power 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 149 - I laboured," says he, in one of his letters, " for a mere pittance, but it was sufficient. It was the fruit of my own resolution ; and, as I then flattered myself, the foretaste of more honourable rewards; for I never thought of wealth.
Página 297 - Candlemas, when money transactions are settled in this country, were often so intense, that he passed great part of the night, and sometimes whole nights, at his desk. His garden also was tilled by his own hand ; he had a right of pasturage upon the mountains for a few sheep and a couple of cows, which required his attendance ; with this pastoral occupation, he joined the labours of husbandry upon a small scale, renting two or three acres in addition to his own less than one acre of glebe ; and the...
Página 263 - Independently of his great attainments in mechanics, Mr. Watt was an extraordinary, and in many respects a wonderful man. Perhaps no individual in his age possessed so much and such varied and exact information, had read so much, or remembered what he had read so accurately and so well. He had infinite quickness of apprehension, a prodigious memory, and a certain rectifying and methodising power of understanding, which extracted something precious out of all that was presented to it.
Página 405 - ... faithful Records, of all the works of Nature, or Art, which can come within their reach : that so the present Age, and posterity, may be able to put a mark on the Errors, which have been strengthened by long prescription : to restore the Truths, that have lain neglected : to push on those, which are already known, to more various uses : and to make the way more passable, to what remains unreveal'd.
Página 284 - ... be little difficulty in producing and repeating them. Full of these ideas, I immediately employed a carpenter and smith to carry them into effect. As soon as the machine was finished I got a weaver to put in the warp, which was of such materials as sail-cloth is usually made of.
Página 122 - I mention it only, as it shows the solicitude and extreme activity which he had about every thing that related to his art; that he wished to have his objects embodied as it were, and distinctly before him; that he neglected nothing which could keep his faculties in exercise, and derived hints from every sort of combination.