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 v
... known by every educated person , and at the same time to impart a living interest to the whole , by associating with each step in advance some history of the men who made it . During the many years that I enjoyed the privi- lege of ...
... known by every educated person , and at the same time to impart a living interest to the whole , by associating with each step in advance some history of the men who made it . During the many years that I enjoyed the privi- lege of ...
Página 4
... known some things of which we are still ignorant . There has been a great deal written about the science of the Chinese , Indians , and Egyptians , but I shall not tell you anything about them here , because their knowledge has had very ...
... known some things of which we are still ignorant . There has been a great deal written about the science of the Chinese , Indians , and Egyptians , but I shall not tell you anything about them here , because their knowledge has had very ...
Página 10
... known that the moon moves round the earth every month . You can imitate the changes of the moon if you take a round stone and hold it just above your head between you and the sun ; you will then have its shady side towards you ; pass it ...
... known that the moon moves round the earth every month . You can imitate the changes of the moon if you take a round stone and hold it just above your head between you and the sun ; you will then have its shady side towards you ; pass it ...
Página 15
... known . He was the first Greek astronomer who explained how the planets Jupiter , & c . , moved round in the heavens , and the time at which they would appear again exactly in the same place as before . The great philosopher Democritus ...
... known . He was the first Greek astronomer who explained how the planets Jupiter , & c . , moved round in the heavens , and the time at which they would appear again exactly in the same place as before . The great philosopher Democritus ...
Página 18
... known . By this time the Greeks had learnt many astronomical facts , some of them probably from the Egyptians . They had traced the ecliptic , or the sun's appa- rent yearly path through the heavens , and , dividing this path into ...
... known . By this time the Greeks had learnt many astronomical facts , some of them probably from the Egyptians . They had traced the ecliptic , or the sun's appa- rent yearly path through the heavens , and , dividing this path into ...
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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.