The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, 47권A. and C. Black, 1849 |
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... . APRIL 1849 .... OCTOBER 1849 . CANCELLED DUBIONE COPY . VOL . XLVII . TO BE CONTINUED QUARTERLY . EDINBURGH : ADAM AND CHARLES BLACK . LONGMAN , BROWN , GREEN , & LONGMANS , LONDON . 1849 . 45395 December 8 , 1943 Scot . E - 4.
... . APRIL 1849 .... OCTOBER 1849 . CANCELLED DUBIONE COPY . VOL . XLVII . TO BE CONTINUED QUARTERLY . EDINBURGH : ADAM AND CHARLES BLACK . LONGMAN , BROWN , GREEN , & LONGMANS , LONDON . 1849 . 45395 December 8 , 1943 Scot . E - 4.
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... ( Continued from vol . xlvi . , p . 306 ) : - 1. The Relations of Trap - Rocks with Ores of Copper and Iron , • 2. Relations of the Schalstein of Dillenburg , the Blat- terstein of the Harz , and the Gabbro of Tuscany , III . On an ...
... ( Continued from vol . xlvi . , p . 306 ) : - 1. The Relations of Trap - Rocks with Ores of Copper and Iron , • 2. Relations of the Schalstein of Dillenburg , the Blat- terstein of the Harz , and the Gabbro of Tuscany , III . On an ...
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... continued to frequent the laboratory . At the end of three weeks he was found there daily , although , according to the regulations , he was entitled to be there as a pupil only once a - week . Afze- lius might have sent him away ; yet ...
... continued to frequent the laboratory . At the end of three weeks he was found there daily , although , according to the regulations , he was entitled to be there as a pupil only once a - week . Afze- lius might have sent him away ; yet ...
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... continued to the last , and which constitutes the most valuable collection of chemical discoveries existing in any language . We shall again revert to this work , re- markable in so many respects . With respect to his chemi- cal ...
... continued to the last , and which constitutes the most valuable collection of chemical discoveries existing in any language . We shall again revert to this work , re- markable in so many respects . With respect to his chemi- cal ...
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... ( Continued from vol . xlvi . , p . 306. ) I. The Relations of Trap - Rocks with Ores of Copper and Iron . This extension of geognostic relations between reposito- ries exclusively cupriferous and the trap rocks , gives some importance to ...
... ( Continued from vol . xlvi . , p . 306. ) I. The Relations of Trap - Rocks with Ores of Copper and Iron . This extension of geognostic relations between reposito- ries exclusively cupriferous and the trap rocks , gives some importance to ...
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258 페이지 - ... tails. Perhaps it is not too much to hope that future observation, borrowing every aid from rational speculation, grounded on the progress of physical science generally (especially those branches of it which relate to the...
199 페이지 - A Manual of Botany : being an Introduction to the Study of the Structure, Physiology, and Classification of Plants.
371 페이지 - ... this Report, Dr. Smith states that the pollution of air in crowded rooms is really owing to organic matter and not merely carbonic acid ; that all the water of great towns contains organic matter; that water purifies itself from organic matter in various ways, but particularly by converting it into nitrates, — that water can never stand long with advantage unless on a large scale, and should be used when collected or as soon as filtered.
46 페이지 - ... been able to bring them to the test of such experiments as would confirm or refute them; and should therefore have delayed the publication of them until these experiments had been made, if you, sir, and some other of my philosophical friends had not thought them as plausible as any other conjectures which have been formed on the subject ; and that, though they should not be verified by further experiments, or approved of by men of science in general, they may perhaps merit a discussion, and give...
44 페이지 - During the last summer also, a friend of mine gave some account of them to M. Lavoisier, as well as of the conclusion drawn from them, that dephlogisticated air is only water deprived of phlogiston ; but at that time so far was M. Lavoisier from thinking any such opinion warranted, that, till he was prevailed upon to repeat the experiment himself, he found some difficulty in believing that nearly the whole of the two airs could be converted into water.
349 페이지 - It will not only render the study of Geography more attractive, but actually show it in its true light, namely, as the science of the relations •which exist between nature and man throughout history ; of the contrasts observed between the different parts of the globe; of the laws of horizontal and vertical forms of the dry land, in its contact with the sea ; of climate, &c.
261 페이지 - In fact, it is difficult to name a nook on the face of the earth, or in the depths of the sea, where they are wholly absent, either in a dead or living state; and their office in the general economy, besides affording food for the humble members of the animal kingdom, seems to be the preparation of a soil for a higher class of vegetables. This they effect by the minute division of the...
250 페이지 - AD 1618 is stated to have been attended by a train no less than 104° in length. The comet of 1680, the most celebrated of modern times, and on many accounts the most remarkable of all, with a head not exceeding in brightness a star of the second magnitude, covered with its tail an extent of more than 70° of the heavens, or, as some accounts state, 90°.
252 페이지 - That the luminous part of a comet is something in the nature of a smoke, fog, or cloud, suspended in a transparent atmosphere is evident...
159 페이지 - ... but the exact method in which this is effected has not been ascertained. A remarkable point in their history results from this power of feeding on flint. It is this : their bodies are indestructible. Thus their...