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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60개의 결과 중 1 - 5개
5 페이지
... metals and earths , as in the invention of more exact and more perfect methods of analysis , than were known before his time . The former kind of merit is more adapted to draw the attention M. Fischer's Memoir of the Life of Klaproth .
... metals and earths , as in the invention of more exact and more perfect methods of analysis , than were known before his time . The former kind of merit is more adapted to draw the attention M. Fischer's Memoir of the Life of Klaproth .
6 페이지
... metals , and even of acids , which minerals contain . Exact analyses of this kind remain sure for ever , and are of im- portance to the science , independent of any discoveries which may be made , respecting the particular nature of the ...
... metals , and even of acids , which minerals contain . Exact analyses of this kind remain sure for ever , and are of im- portance to the science , independent of any discoveries which may be made , respecting the particular nature of the ...
7 페이지
... metal , nor an acid , nor water , nor any other volatile matter , he at last began to sus- pect that perhaps many minerals might contain a hitherto unsuspected quantity of fixed alkali , which could not be dis- covered by the method of ...
... metal , nor an acid , nor water , nor any other volatile matter , he at last began to sus- pect that perhaps many minerals might contain a hitherto unsuspected quantity of fixed alkali , which could not be dis- covered by the method of ...
9 페이지
... metal . And when he operated with fire , he always selected his ves- sels , whether of earthen - ware , of glass , of graphite , of iron , of silver , or of platina , upon fixed principles , and showed more distinctly than chemists had ...
... metal . And when he operated with fire , he always selected his ves- sels , whether of earthen - ware , of glass , of graphite , of iron , of silver , or of platina , upon fixed principles , and showed more distinctly than chemists had ...
27 페이지
... metals and minerals , its agreeable and healthy climate , have , since it has been declared independent , induced a considera- ble number of Englishmen , and a few other foreigners to become residents , and the number is continually ...
... metals and minerals , its agreeable and healthy climate , have , since it has been declared independent , induced a considera- ble number of Englishmen , and a few other foreigners to become residents , and the number is continually ...
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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