Philosophical MagazineTaylor & Francis, 1807 - Physics |
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Page 307
... lava . " I am acquainted with volcanoes in a state of activity ; I have given some proofs of it ; and nevertheless I ... lava ? They are separated from each other , and from the paste of thé lava , by a line equally clean and distinct as ...
... lava . " I am acquainted with volcanoes in a state of activity ; I have given some proofs of it ; and nevertheless I ... lava ? They are separated from each other , and from the paste of thé lava , by a line equally clean and distinct as ...
Page 308
... lava of the antient volcanic mountain of Vituba . This lava contains a multitude of leucites , from the size of a large pea to that of a grain of rapeseed . These leucites have undergone a sort of calcination , which renders them very ...
... lava of the antient volcanic mountain of Vituba . This lava contains a multitude of leucites , from the size of a large pea to that of a grain of rapeseed . These leucites have undergone a sort of calcination , which renders them very ...
Page 310
... lava itself . A former cooling in the crater ! Supposing we should admit this supposition . Here is a lava cooled and hardened . But in a lava which has at- tained this state , not one of the bodies it contains can be any longer ...
... lava itself . A former cooling in the crater ! Supposing we should admit this supposition . Here is a lava cooled and hardened . But in a lava which has at- tained this state , not one of the bodies it contains can be any longer ...
Contents
CONTENTS | 3 |
Account of the Success of the American Expedition | 13 |
Description of a Compound Gasometer for Purposes | 34 |
Copyright | |
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