Peterson's Familiar Science, Or, The Scientific Explanation of Common Things

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Sower, Barnes & Potts, 1851 - 591 pages
 

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Page 74 - It is a cylinder of glass, about half an inch in length, and a quarter of an inch in diameter, and is generally mounted in white metal, silver, or gold.
Page 292 - He answered and said unto them, When it is evening, ye say, It will be fair weather: for the sky is red. 3 And in the morning, It will be foul weather to-day: for the sky is red and lowering.
Page 120 - ... the sum of the addition, the remainder of the subtraction, the product of the multiplication, and the quotient of the division be all equal...
Page 53 - Or hear'st thou rather pure Ethereal Stream, Whose fountain who shall tell? Before the Sun, Before the Heavens, thou wert, and at the voice Of God, as with a mantle didst invest 10 The rising World of waters dark and deep, Won from the void and formless Infinite...
Page 145 - What is CARBONIC ACID GAS ? A. A gas formed by the union of carbon and oxygen : It used to be called
Page 60 - CONDUCTOR ? A. If the heat and cold could penetrate the earth (as freely as the heat of a fire penetrates iron), the springs would be dried up in summer, and frozen in winter; and all vegetation would perish, Q.
Page 263 - What is the DIFFERENCE between a THERMOMETER and a BAROMETER ? A. In a, THERMOMETER the mercury is sealed up from the air; and rises or falls, as the varying- temperature of the air expands or contracts it : but In a BAROMETER the mercury is left exposed (or open) to the air ;* and rises or falls, as the varying1 weight of the air presses upon the open column.
Page 360 - Because the cornea is too flat, and the image of near objects is not completely formed when their rays reach the retina; in consequence of which, the image is imperfect and confused. Fig.
Page 82 - If you WET your FINGER in your mouth, and hold it up in the air, why does it FEEL COLD ? A. Because the saliva quickly evaporates ; and (as it evaporates) absorbs heat from" the finger, making it feel cold.
Page 112 - George, who is some years older, that he can find out the difference in their ages ; he therefore deducts in his mind 22 from 99, and the difference, 77, he tells George to add to his own age ; to take away the first figure from the sum so obtained, and to add it to the last figure ; the last amount gained being the difference between their respective ages. Thus, the difference between John's age and 99, is 77 To which George adding his age . . 35 produces a total of . .112 From which if we take...

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