Lightning, Thunder and Lightning Conductors; With an Appendix on the Recent Controversy on Lightning Conductors

Lightning, Thunder and Lightning Conductors; With an Appendix on the Recent Controversy on Lightning Conductors

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1890 edition. Excerpt: sets fire to combustible materials. And lastly, it causes the instantaneous death of men and animals. Franklin's Lightning Rods.--The object of lightning conductors is to protect life and property from these destructive effects. Their use was first suggested by Franklin, in 1749, even before his famous experiment with the kite; and immediately after that experiment, in 1752, he set up, on his own house, in Philadelphia, the first lightning conductor ever made. He even devised an ingenious contrivance, by means of which he received notice when a thundercloud was approaching. The contrivance consisted of a peal of bells, which he hung on his lightning conductor, and which were set ringing whenever the lightning conductor became charged with electricity. Franklin's lightning rods were soon adopted in America; and he himself contributed very much to their popularity by the simple and lucid instructions he issued every year, for the benefit of his countrymen, in the annual publication known as "Poor Richard's Almanac." It is very interesting at this distance of time to read the homely practical rules laid down by this great philosopher and statesman; and, though some modifications have been suggested by the experience of a hundred and thirty years, especially as regards the dimensions of the lightning conductor, it is surprising to find how accurately the general principles of its construction, and of its action, are here set forth. "It has pleased God," he says, "in His goodness to mankind, at length to discover to them the means of securing their habitations and other buildings from mischief by thunder and lightning. The method is this: Provide a small iron rod, which may be made of the rod-iron used by nailors, but of...
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Product details

  • Paperback | 32 pages
  • 189 x 246 x 2mm | 77g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236641612
  • 9781236641618