The Boston Journal of Philosophy and the Arts, 1-3권Cummings, Hilliard, & Company, 1824 |
도서 본문에서
17개의 결과 중 1 - 5개
125 페이지
... craters of this extin- guished volcano , and , in one instance , on the 17th of October , before sunrise , there not being a breath of wind , a dense white cloud of pyramidal form was seen on the site of Alban lake , and rising far ...
... craters of this extin- guished volcano , and , in one instance , on the 17th of October , before sunrise , there not being a breath of wind , a dense white cloud of pyramidal form was seen on the site of Alban lake , and rising far ...
345 페이지
... crater of Vesu- vius has been gradually filled by the accumulation both of lava boiling up from below , and of scoriæ falling from the explosions of the different minor mouths which were formed at intervals during the last twenty years ...
... crater of Vesu- vius has been gradually filled by the accumulation both of lava boiling up from below , and of scoriæ falling from the explosions of the different minor mouths which were formed at intervals during the last twenty years ...
346 페이지
... crater , which was emptied by this violent process , presents an aspect very different from that which is usually assumed by the concavities of volcanic cones . These generally appear in the regular form of an inverted cone , whose ...
... crater , which was emptied by this violent process , presents an aspect very different from that which is usually assumed by the concavities of volcanic cones . These generally appear in the regular form of an inverted cone , whose ...
347 페이지
... crater of Etna , even if larger , which I much doubt , is in my opinion by no means so striking . Time and the meteoric agents have considerably softened the features of this last scene , while there is a vivid and terrible freshness in ...
... crater of Etna , even if larger , which I much doubt , is in my opinion by no means so striking . Time and the meteoric agents have considerably softened the features of this last scene , while there is a vivid and terrible freshness in ...
348 페이지
... crater is now the highest peak of the cone . By barometrical measurement I find it to be 3829 feet above the sea . The lowest part of the ridge , forming the periphery of the crater , is on the east side above Pompeia , and 3346 feet in ...
... crater is now the highest peak of the cone . By barometrical measurement I find it to be 3829 feet above the sea . The lowest part of the ridge , forming the periphery of the crater , is on the east side above Pompeia , and 3346 feet in ...
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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