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 |
Dentro del libro
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Página vii
... give an opinion , tell me that teachers in these days prefer to prepare their own lessons . I have there- fore substituted , at p . 439 , a chronological table of the various sciences , by means of which questions can be.
... give an opinion , tell me that teachers in these days prefer to prepare their own lessons . I have there- fore substituted , at p . 439 , a chronological table of the various sciences , by means of which questions can be.
Página viii
... means of which questions can be framed , either upon the discoveries of any given period , or on the progressive advance , through several centuries , of any of the five main divisions of science which are dealt with in this volume . In ...
... means of which questions can be framed , either upon the discoveries of any given period , or on the progressive advance , through several centuries , of any of the five main divisions of science which are dealt with in this volume . In ...
Página xxi
... means of an Electric Current - Arago magne- tises a Steel Bar with an ordinary Electrical Machine - Faraday discovers the Rotatory Movement of Magnets and Electrified Wires - Produces an Electric Current by means of a Magnet-- Seebeck ...
... means of an Electric Current - Arago magne- tises a Steel Bar with an ordinary Electrical Machine - Faraday discovers the Rotatory Movement of Magnets and Electrified Wires - Produces an Electric Current by means of a Magnet-- Seebeck ...
Página 1
... means simply knowledge . The science of botany is therefore the knowledge of plants ; and the science of astronomy , the know- ledge of the heavenly bodies . But now comes the question , What kind of knowledge is required ? You might be ...
... means simply knowledge . The science of botany is therefore the knowledge of plants ; and the science of astronomy , the know- ledge of the heavenly bodies . But now comes the question , What kind of knowledge is required ? You might be ...
Página 2
... means not merely know- ledge , but an accurate and clear knowledge about the things which we see around us in the universe . In the present day , people are beginning to teach children much more on these subjects than they did forty ...
... means not merely know- ledge , but an accurate and clear knowledge about the things which we see around us in the universe . In the present day , people are beginning to teach children much more on these subjects than they did forty ...
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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.