The British Cyclopaedia of the Arts, Sciences, History, Geography, Literature, Natural History, and Biography ...Wm. S. Orr and Company, 1838 |
No grāmatas satura
1.–5. rezultāts no 100.
2. lappuse
... received the images refraction , or to ascertain the law of it . He also nor was it discovered till the year 1604 that this considers the foci of glass spheres , and the apparent office was performed by the retina . size of objects seen ...
... received the images refraction , or to ascertain the law of it . He also nor was it discovered till the year 1604 that this considers the foci of glass spheres , and the apparent office was performed by the retina . size of objects seen ...
7. lappuse
... received at the same time two rays of the sun , with the same degree of incidence , he saw that , of the two images , that which was produced by the English flint - glass was a little higher up on the wall than the other , and longer by ...
... received at the same time two rays of the sun , with the same degree of incidence , he saw that , of the two images , that which was produced by the English flint - glass was a little higher up on the wall than the other , and longer by ...
9. lappuse
... received their images . In this manner , he says that with the light of the sun he could throw a plain and distinct image 500 feet . It was Kepler who first discovered the true reason of the apparent places of objects seen by reflecting ...
... received their images . In this manner , he says that with the light of the sun he could throw a plain and distinct image 500 feet . It was Kepler who first discovered the true reason of the apparent places of objects seen by reflecting ...
10. lappuse
... received the light of the candle , re - flected from Mercury , one - fourth at least is lost , and flected by the looking - glass , upon his book , carefully that probably no substances reflect more than this ; the rays were received at ...
... received the light of the candle , re - flected from Mercury , one - fourth at least is lost , and flected by the looking - glass , upon his book , carefully that probably no substances reflect more than this ; the rays were received at ...
11. lappuse
... received , it returned 600 ; but , when the angle of incidence was 14 ° , it reflected only 156 ; when it was 30 ° , it re- flected fifty - one ; and , when it was 80 ° , it returned only twenty - three . Similar experiments made with ...
... received , it returned 600 ; but , when the angle of incidence was 14 ° , it reflected only 156 ; when it was 30 ° , it re- flected fifty - one ; and , when it was 80 ° , it returned only twenty - three . Similar experiments made with ...
Bieži izmantoti vārdi un frāzes
acid action ammonia angle angle of incidence animal appear arteries axis blood body bones called carbonic acid cause cavity centre Cicero circulation colour consists copal copper cylinder degree diameter distance earth ecliptic edges effect employed equal experiments faculty feet figure fixed fluid furnace give glass heat hole hydrogen inches iron kind less light manner matter means mercury metal metonymy mixed mixture mode motion mucilage muscles nature nitric acid object observed orator organ orichalcum oxalic acid oxide oxygen painting paper parallel pass perpendicular phosphorus physiognomy piece placed plane plate porcelain portion potash pressing rollers principle printing prism produced proper proportion prussic acid quantity quicksilver Quintilian rays reflected refraction round side sometimes specific gravity substance supposed surface thing tion tube vapour varnish vessels weight wheel whole wire
Populāri fragmenti
46. lappuse - And it came to pass at noon, that Elijah mocked them, and said, Cry aloud : for he is a god ; either he is talking, or he is pursuing, or he is in a journey, or peradventure he sleepeth, and must be awaked.
136. lappuse - The gold and silver money which circulates in any country may very properly be compared to a highway, which, while it circulates and carries to market all the grass and corn of the country, produces itself not a single pile of either.
282. lappuse - For sublime objects are vast in their dimensions, beautiful ones comparatively small: beauty should be smooth and polished; the great, rugged and negligent: beauty should shun the right line, yet deviate from it insensibly; the great in many cases loves the right line; and when it deviates, it often makes a strong deviation: beauty should not be obscure; the great ought to be dark and gloomy: beauty should be light and delicate; and great ought to be solid, and even massive.
135. lappuse - The substitution of paper in the room of gold and silver money, replaces a very expensive instrument of commerce with one much less costly, and sometimes equally convenient. Circulation comes to be carried on by a new wheel, which it costs less both to erect and to maintain than the old one.
53. lappuse - Our language has received innumerable elegancies and improvements, from that infusion of Hebraisms, which are derived to it out of the poetical passages in, holy writ.
195. lappuse - ... is so essential to the subsistence of all human creatures, it is not probable that it could be trusted to the fallacious deductions of our reason, which is slow in its operations, appears not, in any degree, •during the first years of infancy, and, at best, is in every age and period of human life extremely liable to error and mistake.
195. lappuse - I shall add, for a further confirmation of the foregoing theory, that, as this operation of the mind, by which we infer like effects from like causes, and vice versa, is so essential to the subsistence of all human creatures, it is not probable that it could be trusted to the fallacious deductions of our reason, which is slow in its operations, appears not in any degree during the first years of infancy, and at best is, in every age and period of human life...
135. lappuse - ... purchase such goods as are likely to be consumed by idle people who produce nothing, such as foreign wines, foreign silks, &c. ; or, secondly, they may purchase an additional stock of materials, tools, and provisions, in order to maintain and employ an additional number of industrious people, who re-produce, with a profit, the value of their annual consumption.
215. lappuse - Lo, the poor Indian! whose untutored mind Sees God in clouds, or hears him in the wind; His soul, proud Science never taught to stray Far as the solar walk, or milky way; Yet simple Nature to his hope has...