The Principles of Science Applied to the Domestic and Mechanic Arts: And to Manufactures and Agriculture: with Reflections on the Progress of the Arts, and Their Influence on National WelfareMarsh, Capen, Lyon, and Webb, 1841 - 432 من الصفحات |
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الصفحة 7
... Metals , Mining , & c . , 189 CHAPTER X. The Manufacture of Glass , 199 CHAPTER XI . Pottery and Porcelain , · 207 CHAPTER XII . Copying , including Casting , Printing , Engraving , & c . 213 Dixon's Transfer Process , 228 CHAPTER XIII ...
... Metals , Mining , & c . , 189 CHAPTER X. The Manufacture of Glass , 199 CHAPTER XI . Pottery and Porcelain , · 207 CHAPTER XII . Copying , including Casting , Printing , Engraving , & c . 213 Dixon's Transfer Process , 228 CHAPTER XIII ...
الصفحة 43
... metal called zinc . ) If these substances , in a state of solution , be mixed ; the vinegar in the sugar of lead , having a stronger affinity for the zinc of the other compound than it has for the lead , will forsake the latter and ...
... metal called zinc . ) If these substances , in a state of solution , be mixed ; the vinegar in the sugar of lead , having a stronger affinity for the zinc of the other compound than it has for the lead , will forsake the latter and ...
الصفحة 49
... metals , pottery , & c . , the blow must evident- ly be violent , that the part may be broken off , before the motion communicates to the whole mass . This explains why we can discharge a pistol ball through a pane of glass , without ...
... metals , pottery , & c . , the blow must evident- ly be violent , that the part may be broken off , before the motion communicates to the whole mass . This explains why we can discharge a pistol ball through a pane of glass , without ...
الصفحة 66
... cannot be ascertained . Thus , Hiero would know whether all the gold which he gave the jeweller has been worked up in the crown , or whether an inferior metal has been immerse them , successively , in water , or any 66 MECHANICAL AGENTS .
... cannot be ascertained . Thus , Hiero would know whether all the gold which he gave the jeweller has been worked up in the crown , or whether an inferior metal has been immerse them , successively , in water , or any 66 MECHANICAL AGENTS .
الصفحة 75
... metal be accurately measured , and then raised to a red heat , it will be found longer than before ; and still ... metals may be appli- ed , occurred some years since , in Paris . The weight of the roof of the abbey of St. Martin was ...
... metal be accurately measured , and then raised to a red heat , it will be found longer than before ; and still ... metals may be appli- ed , occurred some years since , in Paris . The weight of the roof of the abbey of St. Martin was ...
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acid affinity agents agriculture alkali animal applied arts bleaching body called carbonic acid chemical chlorine clay cloth Colchester color combined compound copies copper cotton crops cultivation cylinder earth Eddystone lighthouse effect elective affinity employed enable engine England English engraved equal exert farmer fibres fluid force glass gravity greater hand heat Hence human humic acid hundred husbandry important improvement inclined plane increased industry invention iron Julius Cæsar knowledge labor land laws less lime liquid machine machinery manufacture manure materials means mechanical mechanical philosophy ment metal millions motion mould moving Nature object operation oxygen philosophy piston plants plate pounds present pressure principles printing produce proportion quantity raised rendered rollers salt Scotland side soil solid specific gravity spinning steam stone substances sulphuric acid surface thousand thread tion ture turnips vegetable velocity vessel weaving weft weight wheel wire
مقاطع مشهورة
الصفحة 275 - Americans will pay, which the exhausted state of the continent renders very unlikely ; and because it was well worth while to incur a loss upon the first exportation, in order, by the glut, to stifle in the cradle those rising manufactures in the United States, which the war had forced into existence contrary to the natural course of things.
الصفحة 394 - It has lengthened life; it has mitigated pain; it has extinguished diseases; it has increased the fertility of the soil; it has given new securities to the mariner; it has furnished new arms to the warrior; it has spanned great rivers and estuaries with bridges of form unknown to our fathers; it has guided the thunderbolt innocuously from heaven to earth; it has lighted up the night with the splendor of the day; it has extended the range of the K/man vision; it has multiplied the power of the human...
الصفحة 346 - ... as well lodged as the lord of the town : so well were they contented. Pillows, they said, were thought meet only for women in childbed : as for servants, if they had any sheet above them, it was well : for seldom had they any under their bodies, to keep them from the pricking straws, that ran oft through the canvass, and rased their hardened hides.
الصفحة 350 - C two hundred thousand people begging from door to door^ These are not only no way advantageous, but a very grievous burden to so poor a country. And though the number of them be perhaps double to what it was formerly, by reason of...
الصفحة 394 - The business of a philosopher was to declaim in praise of poverty, with two millions sterling out at usury, to meditate epigrammatic conceits about the evils of luxury, in gardens which moved the envy of sovereigns, to rant about liberty, while fawning on the insolent and pampered...
الصفحة 393 - Two words form the key of the Baconian doctrine, Utility and Progress. The ancient philosophy disdained to be useful, and was content to be stationary. It dealt largely in theories of moral perfection, which were so sublime that they never could be more than theories ; in attempts to solve insoluble enigmas j in exhortations to the attainment of unattainable frames of mind.
الصفحة 362 - ... and thereto a sack of chaff to rest his head upon, he thought himself to be as well lodged as the lord of the lown, so well were they contented. Pillows, said they, were thought meet only for women in child-bed.
الصفحة 27 - In 1826, a steam-loom weaver, about 15 years of age, attending to two looms, could weave twelve similar pieces in a week; some could weave fifteen pieces. In 1833, a steam-loom weaver, from...