Systematic Education: Or Elementary Instruction in the Various Departments of Literature and Science; with Practical Rules for Studying Each Branch of Useful Knowledge, Volume 2Longman, Hurst, Rees, Orme, and Brown, 1815 - Education |
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Page 27
... , because the density of water differs according to the degree of its temperature , hot water being somewhat lighter than cold . In very accurate experi is also a section devoted to the subjects of winds HYDROSTATICS . 25.
... , because the density of water differs according to the degree of its temperature , hot water being somewhat lighter than cold . In very accurate experi is also a section devoted to the subjects of winds HYDROSTATICS . 25.
Page 29
... according as the atmosphere be less or more dense ; now it is manifest , that the suspension of the mercury is occasioned by the pressure of the external air upon the sur- face of the mercury ; since if this pressure be taken away , by ...
... according as the atmosphere be less or more dense ; now it is manifest , that the suspension of the mercury is occasioned by the pressure of the external air upon the sur- face of the mercury ; since if this pressure be taken away , by ...
Page 34
... according as the air is less or more dense . After it had been discovered that the column of mercury varied in height , and consequently that the pressure of the air was different , at different times , and that the changes in the ...
... according as the air is less or more dense . After it had been discovered that the column of mercury varied in height , and consequently that the pressure of the air was different , at different times , and that the changes in the ...
Page 36
... according to the state of the atmosphere . * The pressure of the atmosphere is most satisfactorily exhibited in the following experiment ; it being first premised that when the surface of a fluid is exposed to the air , it is pressed by ...
... according to the state of the atmosphere . * The pressure of the atmosphere is most satisfactorily exhibited in the following experiment ; it being first premised that when the surface of a fluid is exposed to the air , it is pressed by ...
Page 47
... according as they balance each other in a state of rest or motion . These two ways of considering the same subject require different prin- ciples , and a different mode of reasoning . The first has been named Statics , as expressing ...
... according as they balance each other in a state of rest or motion . These two ways of considering the same subject require different prin- ciples , and a different mode of reasoning . The first has been named Statics , as expressing ...
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Popular passages
Page 441 - THE annual labour of every nation is the fund which originally supplies it with all the necessaries and conveniences of life which it annually consumes, and which consist always either in the immediate produce of that labour, or in what is purchased with that produce from other nations.
Page 354 - the doing good to mankind, in obedience to the will of God, and for the sake of everlasting happiness.
Page 478 - It is in this manner that money has become in all civilized nations the universal instrument of commerce, by the intervention of which goods of all kinds are bought and sold, or exchanged for one another.
Page 97 - When any substance was introduced into this arch, it instantly became ignited ; platina melted as readily in it as wax in the flame of a common candle ; quartz, the sapphire, magnesia, lime, all entered into fusion...
Page 492 - Taking the whole earth, instead of this island, emigration would, of course, be excluded; and, supposing the present population equal to a thousand millions, the human species would increase as the numbers 1, 2, 4, 8, 16, 32, 64, 128, 256, and subsistence as 1, 2, 3, 4, 5, 6, 7, 8, 9. In two centuries the population would be to the means of subsistence as 256 to 9; in three centuries as 4096 to 13, and in two thousand years the difference would be almost incalculable.
Page 321 - MORAL Philosophy, Morality, Ethics, Casuistry, Natural Law, mean all the same thing ; namely, that science which teaches men their duty and the reasons of it.
Page 113 - Aries the Ram, Taurus the Bull, Gemini the Twins, Cancer the Crab, Leo the Lion, Virgo the Virgin, Libra the Balance, Scorpio the Scorpion, Sagittarius the Archer, Capricornus the Goat, Aquarius the Waterbearer, and Pisces the Fishes...
Page 495 - I should propose a regulation to be made, declaring that no child born from any marriage taking place after the expiration of a year from the date of the law, and no illegitimate child born two years from the same date, should ever be entitled to parish assistance.
Page 489 - It is in this manner that the demand for men, like that for any other commodity, necessarily regulates the production of men, quickens it when it goes on too slowly, and stops it when it advances too fast.
Page 475 - Labour was the first price, the original purchase-money that was paid for all things. It was not by gold or by silver, but by labour, that all the wealth of the world was originally purchased ; and its value, to those who possess it, and who want to exchange it for some new productions, is precisely equal to the quantity of labour which it can enable them to purchase or command.