A School Compendium of Natural and Experimental Philosophy

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Collins & Bro., 1870 - 470 pages
 

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Page 256 - Prime cheerer Light ! Of all material beings first, and best ! Efflux divine! Nature's resplendent robe! Without whose vesting beauty all were wrapt In unessential gloom; and thou, O Sun!
Page 78 - ... time that the axle describes a small one, therefore the power is increased in the same proportion as the circumference of the wheel is greater than that of the axle. If the velocity of the wheel is...
Page 68 - Horeb," a voice was heard, saying, " draw nigh hither, and put off thy shoes from off thy feet; for the place where thou standest is holy ground.
Page 44 - B it receives in return a blow equal to that which it gave, but in a contrary direction, and its motion is thereby stopped, or, rather, given to B. Therefore, when a body strikes against another, the quantity of motion communicated to the second body is...
Page 171 - ... a vacant space in which none of the small particles of water ascend ; and in this, as well as around the outer edges of the waterspout, large drops of rain precipitate themselves.
Page 343 - Pallas, grains of sand, in orbits of from 1000 to 1200 feet; Jupiter a moderate-sized orange, in a circle nearly half a mile across; Saturn a small orange, on a circle of four-fifths of a mile; Uranus a full-sized cherry, or small plum, upon the circumference of a circle more than a mile and a half, and Neptune a good-sized plum on a circle about two miles and a half in diameter.
Page 198 - 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...
Page 202 - H, extending outside of the boiler, and which is managed by the engineer. The operation of the machine is as follows : The steam being generated in great abundance, in the boiler, and being unable to escape out of it, acquires a considerable degree of elastic force. If, at that moment, the cock, V...
Page 390 - ... that the sun would be eclipsed at every new moon ; and the moon would be eclipsed at every full. For at each of these times, these three bodies would be in the same straight line. But the moon's orbit does not coincide with the ecliptic, but is inclined to it at an angle of about 5° 20'.
Page 109 - ... the whole mass. In the same manner, the wick of a lamp will carry up the oil to supply the flame, though the flame is several inches above the level of the oil. If the end of a towel happens to be left in a basin of water, it will empty the basin of its contents.

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