The Intellectual Rise in Electricity: A HistoryLongmans, Green & Company, 1895 - 611 páginas |
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Página iv
... present time , is not " in its infancy . " It has undoubtedly a vast amount of work yet to do , and — I am patriotic enough to believe at the hands of our Amer- ican inventors , first of all - will yet accomplish things un- dreamt of in ...
... present time , is not " in its infancy . " It has undoubtedly a vast amount of work yet to do , and — I am patriotic enough to believe at the hands of our Amer- ican inventors , first of all - will yet accomplish things un- dreamt of in ...
Página 13
... present time , holds it to be merely an electric state ; the condition of electricity in whirling or vortex motion . The attempt to account for magnetic attraction as the working of a soul in the stone led to the first attack of human ...
... present time , holds it to be merely an electric state ; the condition of electricity in whirling or vortex motion . The attempt to account for magnetic attraction as the working of a soul in the stone led to the first attack of human ...
Página 19
... lodestone , was also acquainted with iron , if he had an iron object to present 1FeO.F2O , sp . gr . 5.2 , contain2 72.41 per cent . of iron . Osborn : Metallurgy of Iron and Steel . to the stone and in this way perceived its attraction.
... lodestone , was also acquainted with iron , if he had an iron object to present 1FeO.F2O , sp . gr . 5.2 , contain2 72.41 per cent . of iron . Osborn : Metallurgy of Iron and Steel . to the stone and in this way perceived its attraction.
Página 21
... present , however , it is necessary to deal with modern civilization and periods within historical times , and therefore , to begin with an inquiry into the familiarity of the western world with magnetic attraction ; for what- ever the ...
... present , however , it is necessary to deal with modern civilization and periods within historical times , and therefore , to begin with an inquiry into the familiarity of the western world with magnetic attraction ; for what- ever the ...
Página 25
... present science of metallurgy , cannot divest himself of a half - belief in them ; for in his quaint pictures he always shows them at work in the mines , although often amid machinery which the old Greeks who worshiped at Samo- thrace ...
... present science of metallurgy , cannot divest himself of a half - belief in them ; for in his quaint pictures he always shows them at work in the mines , although often amid machinery which the old Greeks who worshiped at Samo- thrace ...
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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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