The Boston Journal of Philosophy and the Arts, 1-3권Cummings, Hilliard, & Company, 1824 |
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95개의 결과 중 1 - 5개
107 페이지
... effect which seems to confirm the opinion of those who attribute these fusions to lightning . No. 3. Is a small specimen of the same kind of rock , but in which the felspar is more disseminated . Two faces of the stone are wholly ...
... effect which seems to confirm the opinion of those who attribute these fusions to lightning . No. 3. Is a small specimen of the same kind of rock , but in which the felspar is more disseminated . Two faces of the stone are wholly ...
117 페이지
... , comparatively , because it lay on the verge , or towards the evanescent mar- gin of the expansive and elevating force . No other cause is adequate to the production of these effects , and it Actions of Volcanoes . 117.
... , comparatively , because it lay on the verge , or towards the evanescent mar- gin of the expansive and elevating force . No other cause is adequate to the production of these effects , and it Actions of Volcanoes . 117.
118 페이지
... effects , but that , in these instances , it has actually produced them . That force , therefore , which has exerted its action , so as entirely to erupt the volcanic matter , may well be allowed to have also exerted that much less one ...
... effects , but that , in these instances , it has actually produced them . That force , therefore , which has exerted its action , so as entirely to erupt the volcanic matter , may well be allowed to have also exerted that much less one ...
126 페이지
... effect in the economy of Nature , for verdure and fertility , in hot climates , generally follow the courses of rivers , and by the operation of this cause , are extended to the hills , and even to the plains surrounding their banks ...
... effect in the economy of Nature , for verdure and fertility , in hot climates , generally follow the courses of rivers , and by the operation of this cause , are extended to the hills , and even to the plains surrounding their banks ...
128 페이지
... effect or pattern is produced upon the polished sur- face , by the point of a diamond , so that either the whole , or a part of the surface , is covered with lines or grooves , whose distance may vary from the 1000th to the 10,000th of ...
... effect or pattern is produced upon the polished sur- face , by the point of a diamond , so that either the whole , or a part of the surface , is covered with lines or grooves , whose distance may vary from the 1000th to the 10,000th of ...
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alloy ammonia animal Apennines appears Arequipa ascend atmosphere body bones calcareous carbonate carbonic acid chlorine circumstances coast colour condensed considerable containing covered crater crystals degree distance earth effect Egyptians elephant elevation embalming equal examined exist experiments feet felspar females fluid formation fossil Gabbro Giel heat Herodotus horns hydrogen inches increments Indians iridium iron islands Lake land latter length limestone magnesia males mammoth mass Mastodonte ment mercury metal miles mountain mummies muriatic acid nature nearly observed obtained opal petrifactions Pichu Pichu pieces platina platinum population portion precipitate present preserved probably produced quantity remains remarkable resemblance rhodium river Robert Seppings rocks salt Scoresby sea-water ship side slaves species specific gravity specimens steam steel sternum stone strata substance sulphuric acid summit supposed surface teeth temperature tion trachytic tube vapour vessel volcanic whole wood