Boston Journal of Philosophy and the Arts: Intended to Exhibit a View of the Progress of Discovery in Natural Philosophy, Mechanics, Chemistry, Geology and Mineralogy, Natural History, Comparative Anatomy and Physiology, Geography, Statistics, and the Fine and Useful Arts, 2권Cummings, Hilliard, & Company, 1825 |
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4 페이지
... parts of bodies , and has made us acquainted with a multitude of new elementary substances . Amidst all these labours , it is diffi- cult to say , whether we should most admire the 4 M. Fischer's Memoir of the Life of Klaproth .
... parts of bodies , and has made us acquainted with a multitude of new elementary substances . Amidst all these labours , it is diffi- cult to say , whether we should most admire the 4 M. Fischer's Memoir of the Life of Klaproth .
6 페이지
... substance was one of the many compositions of sili ceous and argillaceous earths , which had not previously been known , and which in former analyses had sometimes been referred to the one kind of earth , and at other times to the other ...
... substance was one of the many compositions of sili ceous and argillaceous earths , which had not previously been known , and which in former analyses had sometimes been referred to the one kind of earth , and at other times to the other ...
9 페이지
... substances that were before him , it was by no means a matter of little moment in his estimation , whether the pounding which was always continued till the body was reduced to an impalpable powder was conducted in vessels of flint , of ...
... substances that were before him , it was by no means a matter of little moment in his estimation , whether the pounding which was always continued till the body was reduced to an impalpable powder was conducted in vessels of flint , of ...
16 페이지
... substances with which oryctognosy ( descriptive mineralogy ) , makes us acquainted in their indi- vidual capacities , are met with in constant associations , and that these associations , which are designed by the name of Compound Rocks ...
... substances with which oryctognosy ( descriptive mineralogy ) , makes us acquainted in their indi- vidual capacities , are met with in constant associations , and that these associations , which are designed by the name of Compound Rocks ...
17 페이지
... substances , quartz , felspar , mica , garnet or hornblende ; but they have also found that the great mountain masses present almost every where the same rocks , that is to say , the same assemblages of mica , quartz , and felspar in ...
... substances , quartz , felspar , mica , garnet or hornblende ; but they have also found that the great mountain masses present almost every where the same rocks , that is to say , the same assemblages of mica , quartz , and felspar in ...
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action angle animals appears arrack ascertained atmosphere aurora borealis ball beds carbonic carbonic acid cause centre circumstances clay coco-nut coefficient colour conductor considerable contains copper crystals degree deposits diameter direction distance earth electricity employed equal Europe evaporation experiments exposed feet fissures fluid formation geognostical glass gneiss granite greywackes height hornblende hyæna hydrogen inches iron Klaproth labour larvæ latitude less light lignite limestone luminous magnetic manner mass means mercury metal miles mineral mixture mountains muriatic acid nature nearly needle nitric acid observed obtained oxide oxygen paratonnerre pass plate platinum poison porphyries portion present produced proportion Puracé quantity quartz rays remarkable rendered rocks selenium shock slate species specimens stone substance sufficient sulphuric acid surface syenite temperature term thermometer tion trachytes tree vapour vessel volcano whole wire zinc