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 5
... directions , and in what instances motion is carried on in straight lines , and in what in a curve . The different kinds of attraction claim the attention of those who study mechanics as a science , though it is with the attraction of ...
... directions , and in what instances motion is carried on in straight lines , and in what in a curve . The different kinds of attraction claim the attention of those who study mechanics as a science , though it is with the attraction of ...
Page 6
... direction , or that path through which a body , left to itself , falls towards the centre of attrac- tion , whether it be of the earth or the sun . These preliminaries being understood and established , and which are amply illustrated ...
... direction , or that path through which a body , left to itself , falls towards the centre of attrac- tion , whether it be of the earth or the sun . These preliminaries being understood and established , and which are amply illustrated ...
Page 11
... direction of the power , and gives no mechanical advantage whatever ; but when , besides the upper pullies , which turn round in a fixed frame or block , there is a block of pullies moving equally fast with the weight , the velocity of ...
... direction of the power , and gives no mechanical advantage whatever ; but when , besides the upper pullies , which turn round in a fixed frame or block , there is a block of pullies moving equally fast with the weight , the velocity of ...
Page 12
... direction of the acting power , we are able to employ the power to the greatest advantage . A horse for instance cannot draw in a vertical direction , but draws with all his advantage in an horizontal one , changing therefore the ...
... direction of the acting power , we are able to employ the power to the greatest advantage . A horse for instance cannot draw in a vertical direction , but draws with all his advantage in an horizontal one , changing therefore the ...
Page 20
... direction , and without friction . Fluids are divided into elastic , and non - elastic : the former are those whose dimensions are diminished by increasing the pressure upon them , and increased by diminishing the said pressure ; such ...
... direction , and without friction . Fluids are divided into elastic , and non - elastic : the former are those whose dimensions are diminished by increasing the pressure upon them , and increased by diminishing the said pressure ; such ...
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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.