The Intellectual Rise in Electricity: A HistoryLongmans, Green & Company, 1895 - 611 páginas |
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Página 21
... writing in 850 B. C. , speaks of the time when " men wrought in brass , when iron did not exist ; " and Homer , although frequently referring to weapons and implements of bronze , mentions iron but rarely . The Aztecs , at the time of ...
... writing in 850 B. C. , speaks of the time when " men wrought in brass , when iron did not exist ; " and Homer , although frequently referring to weapons and implements of bronze , mentions iron but rarely . The Aztecs , at the time of ...
Página 24
... writing three cen- turies later , refers to them as still potent . Their well- established existence shows that the Samothracian wonder - workers not only were familiar with the attractive power of the lodestone , but with its ...
... writing three cen- turies later , refers to them as still potent . Their well- established existence shows that the Samothracian wonder - workers not only were familiar with the attractive power of the lodestone , but with its ...
Página 34
... writing which can be shown to be the Milesian's production . Nevertheless modern re- views of electrical progress ... written by Diogenes Laertius . Laertius is sup- posed to have been a native of Laerte in Cilicia , and the time when ...
... writing which can be shown to be the Milesian's production . Nevertheless modern re- views of electrical progress ... written by Diogenes Laertius . Laertius is sup- posed to have been a native of Laerte in Cilicia , and the time when ...
Página 54
... written in support of the theory that Homer was familiar with the compass because , in the Odyssey , he speaks of the Phocian ships which sailed " tho ' clouds and darkness veil the encumbered sky " -the argument being that ships could ...
... written in support of the theory that Homer was familiar with the compass because , in the Odyssey , he speaks of the Phocian ships which sailed " tho ' clouds and darkness veil the encumbered sky " -the argument being that ships could ...
Página 56
... written by Sanconiathon , " the phil- osopher of Tyre , " deals with the progress of the human mind and the discoveries made by man , and , in accounting for these last , says that " it was the God Ouranos who devised Betulae ...
... written by Sanconiathon , " the phil- osopher of Tyre , " deals with the progress of the human mind and the discoveries made by man , and , in accounting for these last , says that " it was the God Ouranos who devised Betulae ...
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Términos y frases comunes
amber ancient appears Arabs Aristotle asserts attractive power Bacon became believed bodies Boyle Cabæus Cardan cause century Chinese compass needle Descartes direction discovery doctrine draw earth effect Egyptian electric electrified Etruscans existence experiments fact field of force followed Fracastorio Galileo Gilbert glass globe Greek Guericke hand heat heavens hence Hist hypothesis induction invention iron Klaproth knowledge known learned light lodestone London Lucretius magnetic attraction magnetite matter ment merely metal modern motion moved nature navigation Neckam netic north pole observed Olaus Magnus original Paracelsus Peregrinus phenomena philosophers physical polarity Pole star Porta probably Ptolemy reason regarded repelled ring Robert Boyle Robert Hooke Royal rubbed Samothrace Sarpi says ships sphere stone substance terrella Thales Theophrastus theory things tion treatise tube turn variation vessel virtue voyages William Gilbert writing
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Página 569 - 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.
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Página 419 - 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.
Página 9 - SMITH.— GRAPHICS, or the Art of Calculation by Drawing Lines, applied especially to Mechanical Engineering. By ROBERT H. SMITH, Professor of Engineering, Mason College, Birmingham. Part I. With separate Atlas of 29 Plates containing 97 Diagrams. 8vo. , 15$.