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 vi
... of equal impor- tance those which could be dealt with in plain lan- guage , and to avoid passing allusions to such as did not admit of such explanation . PREFACE . vii The history of the nineteenth century has vi PREFACE .
... of equal impor- tance those which could be dealt with in plain lan- guage , and to avoid passing allusions to such as did not admit of such explanation . PREFACE . vii The history of the nineteenth century has vi PREFACE .
Página xvi
... passing through glass is not Coloured - Mr . Chester More Hall discovers the Difference of Dispersive Power in Flint and Crown Glass - Newton's Papers destroyed by his pet dog - Last years of Newton's life CHAPTER XXI . PAGE 164 SCIENCE ...
... passing through glass is not Coloured - Mr . Chester More Hall discovers the Difference of Dispersive Power in Flint and Crown Glass - Newton's Papers destroyed by his pet dog - Last years of Newton's life CHAPTER XXI . PAGE 164 SCIENCE ...
Página xx
... passing through Iceland - spar - Sir David Brewster and M. Biot explain the colours produced by Polarisation . 302 CHAPTER XXXIII . SCIENCE OF THE NINETEENTH CENTURY ( CONTINUED ) . History of Spectrum Analysis — Discovery of Heat ...
... passing through Iceland - spar - Sir David Brewster and M. Biot explain the colours produced by Polarisation . 302 CHAPTER XXXIII . SCIENCE OF THE NINETEENTH CENTURY ( CONTINUED ) . History of Spectrum Analysis — Discovery of Heat ...
Página 9
... pass across the sky from sunrise to sunset , so then the day was twelve hours long , and the night also twelve hours ; this was called the spring equi - nox , or equal night , meaning that the day and night were of equal length . After ...
... pass across the sky from sunrise to sunset , so then the day was twelve hours long , and the night also twelve hours ; this was called the spring equi - nox , or equal night , meaning that the day and night were of equal length . After ...
Página 10
... pass it slowly round your head , you will find that you see first a bright edge appearing , then more and more of the bright side , till when the stone is on one side of your head and the sun the other , you will see the whole of one ...
... pass it slowly round your head , you will find that you see first a bright edge appearing , then more and more of the bright side , till when the stone is on one side of your head and the sun the other , you will see the whole of one ...
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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.