The Intellectual Rise in Electricity: A History, 第 25 巻D. Appleton and Company, 1895 - 611 ページ |
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多く使われている語句
ALEXANDER NECKAM amber ancient appears Arabs Aristotle assert Bacon became believed bodies Cabæus Cardan cause century Chinese compass needle Descartes direction discoveries doctrine draw earth effect electric electrified Etruscans existence experiments fact field of force fire followed Fra Paolo Sarpi Fracastorio Franklin Gilbert glass globe Guericke hand heavens hence Hist hypothesis induction invention iron JEROME CARDAN Klaproth knowledge known learned Leyden Leyden jar light lodestone London Lucretius magnetic attraction matter ment merely metal modern motion moved nature navigation Neckam north pole observed Olaus Magnus Paracelsus Peregrinus perhaps phenomena philosophers physical pivoted polarity Pole star Porta probably Ptolemy reason regarded repelled rubbed Sarpi says ships sparks sphere stone substance terrella Thales Theophrastus theory things tion treatise tube turn variation vessel virtue voyages William Gilbert writing
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567 ページ - I'd divide, And burn in many places ; on the top-mast. The yards, and bowsprit, would I flame distinctly, Then meet, and join. Jove's lightnings, the precursors O' the dreadful thunder-claps, more momentary And sight-out-running were not.
417 ページ - Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation from whence we denominate the object hot ; so what in our sensation is heat, in the object is nothing but motion.
412 ページ - Resolution, to reject all the amplifications, digressions, and swellings of style: to return back to the primitive purity, and shortness, when men deliver'd so many things, almost in an equal number of words. They have exacted from all their members, a close, naked, natural way of speaking; positive expressions, clear senses; a native easiness: bringing all things as near the Mathematical plainness, as they can: and preferring the language of Artizans, Countrymen, and Merchants, before that, of Wits,...
582 ページ - I say, if these things are so, may not the knowledge of this power of points be of use to mankind, in preserving houses, churches, ships, etc., from the stroke of lightning, by directing us to fix, on the highest parts of those edifices, upright rods of iron made sharp as a needle, and gilt to prevent rusting, and from the foot of those rods a wire down the outside of the building into the ground, or down round one of the shrouds of...
442 ページ - That gravity should be innate, inherent, and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity that I believe no man, who has in philosophical matters a competent faculty of thinking, can ever fall into it.
24 ページ - This stone not only attracts iron rings, but also imparts to them a similar power of attracting other rings; and sometimes you may see a number of pieces of iron and rings suspended from one another so as to form quite a long chain; and all of them derive their power of suspension from the original stone.
439 ページ - If you press a stone with your finger, the finger is also pressed by the stone. If a horse draws a stone tied to a rope, the horse (if I may...
439 ページ - If a horse draws a stone tied to a rope, the horse (if I may so say) will be equally drawn back towards the stone; for the distended rope, by the same endeavor to relax or unbend itself, will draw the horse as much towards the stone as it does the stone towards the horse, and will obstruct the progress of the one as much as it advances that of the other.
582 ページ - ... or 30 feet, pointed very sharp at the end. If the electrical stand be kept clean and dry, a man standing on it when such clouds are passing low, might be electrified and afford sparks, the rod drawing fire to him from a cloud.
582 ページ - To determine the question, whether the clouds that contain lightning are electrified or not, I would propose an experiment to be tried where it may be done conveniently.