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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16 페이지
... coal , or of clay - iron , which was covered with a great number of beds of different natures , it gave rise to ideas more or less precise regarding the system of rocks pe- culiar to a district of small extent . Furnished with these ...
... coal , or of clay - iron , which was covered with a great number of beds of different natures , it gave rise to ideas more or less precise regarding the system of rocks pe- culiar to a district of small extent . Furnished with these ...
25 페이지
... coal situated between the transition masses and the red - sandstone , the position of the rock - salt which occurs ... coals placed upon transition formations ; for exam- ple , upon the mountain - limestone of Derbyshire and of South ...
... coal situated between the transition masses and the red - sandstone , the position of the rock - salt which occurs ... coals placed upon transition formations ; for exam- ple , upon the mountain - limestone of Derbyshire and of South ...
59 페이지
... coal strata , since these also are of terrestrial or fresh - water origin ; as we might further expect to discover them among the lignites . These are the produce of ancient forests and peat bogs ; and there is no apparent reason why ...
... coal strata , since these also are of terrestrial or fresh - water origin ; as we might further expect to discover them among the lignites . These are the produce of ancient forests and peat bogs ; and there is no apparent reason why ...
60 페이지
... coal ; or from a substance , of which the vegetable origin is rather generally admitted than demon- strably proved . They are all varieties of naphtha , under modifications which , having fully explained them in other writings , it is ...
... coal ; or from a substance , of which the vegetable origin is rather generally admitted than demon- strably proved . They are all varieties of naphtha , under modifications which , having fully explained them in other writings , it is ...
61 페이지
... coal , in the common vegetable fibre partially bituminized , can be traced down to perfect coal , or to a sub- stance capable of yielding naphtha only on distillation . It is from these analogies that we may perhaps safely con- clude ...
... coal , in the common vegetable fibre partially bituminized , can be traced down to perfect coal , or to a sub- stance capable of yielding naphtha only on distillation . It is from these analogies that we may perhaps safely con- clude ...
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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