A Short History of Natural Science and of the Progress of Discovery: From the Time of the Greeks to the Present Day : for the Use of Schools and Young PersonsD. Appleton, 1886 - 467 páginas |
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Página 15
... remember his name as the Founder of the science of Medicine . Eudoxus , 406 - Democritus , 459. - The next great astro- nomer after Anaxagoras was called Eudoxus . He was born about 406 B.C. , at Cnidos , in Asia Minor , where he had an ...
... remember his name as the Founder of the science of Medicine . Eudoxus , 406 - Democritus , 459. - The next great astro- nomer after Anaxagoras was called Eudoxus . He was born about 406 B.C. , at Cnidos , in Asia Minor , where he had an ...
Página 24
... remember the experiment as I have explained it ; but as you may perhaps be puzzled to see how it can have anything ... remembering that the crown , the gold ball , and the silver ball , when weighed in the air , will all pull the marker ...
... remember the experiment as I have explained it ; but as you may perhaps be puzzled to see how it can have anything ... remembering that the crown , the gold ball , and the silver ball , when weighed in the air , will all pull the marker ...
Página 32
... ' It may seem strange that , as it is not true that the earth is the centre , Ptolemy should have been able to explain so much by his system , but you CH . V. PTOLEMY AND STRABO . 33 must remember 32 PT . L SCIENCE OF THE GREEKS .
... ' It may seem strange that , as it is not true that the earth is the centre , Ptolemy should have been able to explain so much by his system , but you CH . V. PTOLEMY AND STRABO . 33 must remember 32 PT . L SCIENCE OF THE GREEKS .
Página 33
... remember that it had the same effect whether you moved round the ball , or the ball round you in our experi- ment on page 19 ; and Ptolemy's explanations were apparently so near the truth that astronomers were satisfied with them for ...
... remember that it had the same effect whether you moved round the ball , or the ball round you in our experi- ment on page 19 ; and Ptolemy's explanations were apparently so near the truth that astronomers were satisfied with them for ...
Página 34
... remember that Erasistratus and Herophilus dissected the human body ; but in the time of Galen this seems to have been forbidden , and he was obliged to work upon monkeys and other animals . Even from these , however , he learnt some ...
... remember that Erasistratus and Herophilus dissected the human body ; but in the time of Galen this seems to have been forbidden , and he was obliged to work upon monkeys and other animals . Even from these , however , he learnt some ...
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Términos y frases comunes
acid Alhazen anatomy animals astronomers attraction battery began bodies born calculations called cause CENTURY CONTINUED Charles Lyell chemical chemistry chemists colours comet Cuvier cylinder dark died discovered discoveries earth eighteenth century electric current Encyclopædia Encyclopædia Britannica Erasistratus exactly experiments explained facts famous formed fossils Galileo Galvani Geber Geology glass globe going gravitation Greeks Haller heat Herschel Hipparchus Huyghens hydrogen invented John Herschel Jupiter Kepler Lagrange Lamarck Laplace lines Linnæus living magnet mercury metals meteors moon moving round named Natural needle Newton observations orbit oxygen pass phlogiston piece piston planets prism produced Professor proved Ptolemy refracted remember rocks round the sun showed side spectrum St.-Hilaire stars steam substances telescope theory tion transit of Venus tricity tube turned Uranus Venus Vesalius vibrations Voltaic Pile Watt waves weight wire young
Pasajes populares
Página 125 - Our business was (precluding matters of Theology and state affairs) to discourse and consider of Philosophical Enquiries, and such as related thereunto : as physick, anatomy, geometry, astronomy, navigation, staticks, magneticks, chymicks, mechanicks, and natural experiments ; with the state of these studies, as then cultivated at home and abroad.
Página 101 - ... that the squares of the periodic times of the planets are proportional to the cubes of their mean distances from the sun.
Página 125 - Saturn, the spots in the sun, and its turning on its own axis", the inequalities and selenography of the moon, the several phases of Venus and Mercury, the improvement of telescopes, and grinding of glasses for that purpose, the weight of air, the possibility, or impossibility of vacuities, and nature's abhorrence thereof, the Torricellian experiment in quicksilver, the descent of heavy bodies, and the degrees of acceleration therein ; and divers other things of like nature.
Página 234 - The feeling of it to my lungs was not sensibly different from that of common air ; but I fancied that my breast felt peculiarly light and easy for some time afterwards. Who can tell but that, in time, this pure air may become a fashionable article in luxury Hitherto only two mice and myself have had the privilege of breathing it."* * Dr.
Página 170 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.