The Journal of Science, and Annals of Astronomy, Biology, Geology, Industrial Arts, Manufactures, and Technology, 15. köideJames Samuelson, Sir William Crookes J. Churchill and Sons., 1878 |
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Page 20
... organic compound we operate upon the residue of the gas - works , in which Liebig prophet- ically declared that we might find whatever we wished if we would only seek intelligently ; upon wood - tar , or upon natural products which have ...
... organic compound we operate upon the residue of the gas - works , in which Liebig prophet- ically declared that we might find whatever we wished if we would only seek intelligently ; upon wood - tar , or upon natural products which have ...
Page 34
... ORGANIC WORLD . NTIL the earlier portion of the present century light , by the vast majority of civilised persons , was re- garded as a medium for the sense of sight , and as very little more . With the discovery of its chemical func ...
... ORGANIC WORLD . NTIL the earlier portion of the present century light , by the vast majority of civilised persons , was re- garded as a medium for the sense of sight , and as very little more . With the discovery of its chemical func ...
Page 35
... organic beings . These colours are due to the absorption of certain of the rays of light , such absorption being effected by substances known as pigments , and capable , when present in sufficient quantity , of being extracted by ...
... organic beings . These colours are due to the absorption of certain of the rays of light , such absorption being effected by substances known as pigments , and capable , when present in sufficient quantity , of being extracted by ...
Page 37
... organic matter , and as it grows up we see it put on higher and higher colours , till , in the culminating moment of its life , in the act of inflorescence , prismatic hues are all but universal . Then begins the process of decay ...
... organic matter , and as it grows up we see it put on higher and higher colours , till , in the culminating moment of its life , in the act of inflorescence , prismatic hues are all but universal . Then begins the process of decay ...
Page 39
... colours ? Can there be in those islands either any excess in the quantity or any peculiarity in the quality of the sunlight ? That there is , no one has yet even attempted to 1878. ] 39 Colouration of the Organic World .
... colours ? Can there be in those islands either any excess in the quantity or any peculiarity in the quality of the sunlight ? That there is , no one has yet even attempted to 1878. ] 39 Colouration of the Organic World .
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action ammonia animals antennæ appear atmosphere atomic atomic weights become beds birds Boulder-clay Brentford carbonic acid cause cent chemical china clay clay colour compound condition contains deposits diluvium Ealing effect electric energy Europe evaporation evidence existence experience explained fact fauna feeling feet Finchley Geological glacial glaciers gravel gravific heat hypothesis inch insects lake larvæ less light liquid London London Clay lower matter means microscope moisture molecules motion natural nitrogen object observed obtained occur organic original palæolithic paper particles pebbles pedesis pedetic phenomena physical placer mines portion present probably produced Prof proper motion quantity Raoul Pictet recognised remarkable river rocks Sands and Gravels sandy Science scientific sense species stones substances sulphuric acid supposed surface temperature Thames theory tion trance tube valley vapour vibration wave whilst woolly rhinoceros
Popular passages
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Page 504 - ... explanation of the strange stratification which the voltaic discharge undergoes in rarefied gases, it is clear that the alternate disposition of light and darkness must be dependent on some periodic distribution in space or sequence in time which can at present be dealt with only in a very general w&y.
Page 511 - Next as to mechanical appliances. Mr. Babbage, when speaking of the difficulty of ensuring accuracy in the long numerical calculations of theoretical astronomy, remarked, that the science which in itself is the most accurate and certain of all had, through these difficulties, become inaccurate and uncertain in sume of its results.
Page 501 - Moliere's well-known character, been talking mathematics without knowing it. It is, moreover, a fact not to be overlooked that the appearance of isolation, so conspicuous in mathematics, appertains in a greater or less degree to all other sciences, and perhaps also to all pursuits in life. In its highest flight each soars to a distance from its fellows. Each is pursued alone for its own sake, and without reference to its connection with, or its application to, any other subject. The pioneer and the...
Page 432 - ... a bridge. They are five and six stories high, each story receding from the one below it, and thus forming a structure terraced from top to bottom. Each story is divided into numerous little compartments, the outer...