A Preliminary Discourse on the Study of Natural PhilosophyLongman, Rees, Orme, Brown, and Green ... and John Taylor, 1831 - 372 pàgines |
Altres edicions - Mostra-ho tot
A Preliminary Discourse on the Study of Natural Philosophy John Frederick William Herschel Visualització completa - 1840 |
A Preliminary Discourse on the Study of Natural Philosophy John Frederick William Herschel Visualització completa - 1832 |
A Preliminary Discourse on the Study of Natural Philosophy John F. W. Herschel Visualització completa - 1831 |
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action actual afford analogy appear application ascer ascertained astronomy attraction become bodies branch of science cause character chemical chemical elements chemistry circumstances colours combinations conclusions consequences consider consideration crystallized crystallography deductive reasoning degree determination DIONYSIUS LARDNER direct discovery distinct double refraction effect elastic electricity enabled enquiry exact examination example existence experience extend facts fluid force heat Hipparchus important induction instance kind knowledge known laws of nature least light liquids magnetism materials mathematical matter means measure ment mind mineralogy motion mutual natural philosophy Newton Novum Organum objects observed once particles particular peculiar pheno phenomena phenomenon philosophy physical planets present principles produced proportion quantity racters radiation reasoning refraction regarded relations remarkable repulsive researches rience scurvy sense solid stances substances succession surface tartaric acid theory thing tion tricity vera causa verification vols Voltaic pile weight whole
Passatges populars
Pàgina 358 - MEMOIRS of the KINGS of SPAIN of the HOUSE of BOURBON, from the Accession of Philip the Fifth to the Death of Charles the Third, 1700—1788, from Original Documents, imd Secret Papers, many of which have never before been published.
Pàgina 358 - TURNER.-THE HISTORY OF ENGLAND, From the Earliest Period to the Death of Elizabeth. By SHARON TURNER, Esq. FAS RASL New Editions. 12 vols. 8vo. £6. 3s. cloth.— Or, separately, THE HISTORY of the ANGLO-SAXONS.
Pàgina 144 - It is observed that dew is never copiously deposited in situations much screened from the open sky, and not at all in a cloudy night; but if the clouds withdraw even for a few minutes, and leave a clear opening, a deposition of dew presently begins, and goes on increasing. . . . Dew formed in clear intervals will often even evaporate again when the sky becomes thickly overcast.
Pàgina 363 - London's Encyclopaedia of Agriculture: Comprising the Laying-out, Improvement, and Management of Landed Property, and the Cultivation and Economy of the Productions of Agriculture. With 1,100 Woodcuts. 8vo. 31s. 6d. London's Encyclopaedia of Gardening : Comprising the Theory and Practice of Horticulture, Floriculture, Arboriculture, and Landscape Gardening.
Pàgina 359 - DUTIES ; Or, Instructions to Young Married Ladies on the Management of their Households, and the Regulation of their Conduct in the various Relations and Duties of Married Life. By Mrs W.
Pàgina 362 - SIR EDWARD SEAWARD'S NARRATIVE OF HIS SHIPWRECK, and consequent Discovery of certain Islands in the Caribbean Sea: with a detail of many extraordinary and highly interesting Events in his Life, from 1733 to 1749. as written in his own Diary. Edited by Miss JANE PORTER.
Pàgina 142 - Is it a fact that the object dewed is colder than the air ? Certainly not, one would at first be inclined to say ; for what is to make it so ? But .... the experiment is easy ; we have only to lay a thermometer in contact with the dewed substance, and hang one at a little distance above it, out of reach of its influence. The experiment has been therefore made; the question has been asked, and the answer has been invariably in the affirmative. Whenever an object contracts dew, it it colder than the...
Pàgina 156 - It can hardly be pressed forcibly enough on the attention of the student of nature, that there is scarcely any natural phenomenon which can be fully and completely explained in all its circumstances, without a union of several, perhaps of all, the sciences.