St. Nicholas Volume 4

St. Nicholas Volume 4

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 2012-03-05 edition. Excerpt: ... Well, ask any man you see what the power is that does the work, and he '11 say, 'You fool, you! don't you see it's the wind?' A man said that to me once. Says I, 'It's you that's the fool, and I can prove it.' And prove it I did, to his satisfaction, --or rather dissatisfaction, for it made him as mad as a hopper, if anybody knows how mad that is. 'The sun, ' says I, ' warms the atmosphere, more in some places than others.' He admitted that. 'Heated air, ' says I, 'tends to rise.' He owned up again. 'If air rises, ' says I, 'more air must rush in to fill its place.' He could n't deny that, either. 'So, ' says I, 'it's the sun that makes the current of air, --what you call wind, --and turns the wind-mill. Now, who's the fool?' Oh, I tell ye, I 've done a pile of thinking in my day!" And the peddler smoked and shook his head in pleased astonishment at his own vast and profound understanding of things. "If I should tell you of a man who heated his shop by water-power, you 'd smile, perhaps." "I think I should," said Jacob. "Well, he did, and he did n't. He did--in this way. The water turned his machinery, and he made his machinery turn a great iron plate which rested on another iron plate; the friction heated the plates, and they warmed his shop like a stove. But was it water-power? Strictly speaking, no. But the heat of the sun that raised the vapor that made the water that turned the wheels was changed again into heat by the friction. Queer, aint it?" Jacob thought it was. "Now, coming back to what I said of the steamboat working up against the stream. You call it steam-power. I call it sun-power again. For what makes steam? Water heated. What heats the water? Burning a little wood or coal. Now, coal...show more

Product details

  • Paperback | 494 pages
  • 189 x 246 x 25mm | 875g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236947517
  • 9781236947512