 | 1828 - 524 sider
...pure combustible matter in any quantity ; and on making the experiment on a portion of lava taken up up in the ladle, it appeared that the disengagement...disengaged from the water by boiling. A wire of copper of ^th of an inch in diameter, and a wire of silver of ^th, introduced into the lava near its source,... | |
 | 1829 - 906 sider
...intensity when it was raised into the air by an iron ladle. I put the circumstance, however, bejond the possibility of doubt: I threw some of the fused...disengaged; it was in very minute quantity only, and when analyzed on my return proved to be common air, a little less pure than that disengaged from the water... | |
 | Andrew Ure - 1829 - 704 sider
...glowed with great brilliancy when nitre or chlorate of potash was projected upon its surface. When some fused lava was thrown into water, and a glass bottle filled with water was inverted over it, only a very minute quantity of gas was disengaged, which proved on analysis to... | |
 | Sir Richard Phillips - 1830 - 728 sider
...siliceous . sand in the bottom : I closed it at the moment, and examined the air on my return. A measure pf .it mixed with a measure of nitrous gas gave exactly...disengaged from the water by boiling. A wire of copper of •j^th of an inch in diameter, and a wire of silver of ^jth, introduced into the lava near its source,... | |
 | 1828 - 522 sider
...under a kind of bridge formed of cooled lava ; but it re-appeared sixty or seventy yards further down. down. Where it issued from the mountain, it was nearly...disengaged from the water by boiling. A wire of copper of ^th of an inch in diameter, and a wire of silver of jBth, introduced into the lava near its source,... | |
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A measure of it mixed with a measure of nitrous gas gave exactly the same degree of diminution as a measure of common air which had been collected in another bottle on the mountain. I threw upon the surface of the lava nitre, both in mass and in powder.... 