 | Manchester Literary and Philosophical Society - 1819 - Страниц: 598
...with gas have, to nay knowledge, been led, by the increase of the quantity of gas which is obtained by passing it through red hot tubes, to imagine, that...on calculation not to exceed 1050 grains, or about 2| ounces avoird. A volume of coal gas containing a cubic foot of each of those impurities will require,... | |
 | 1819 - Страниц: 556
...led, by the increase of the quantity of gas which is obtained by passing it through red hot tabes, to imagine, that an advantage is thus gained; and...on calculation not to exceed 1050 grains, or about 2| ounces avoird. A volume of coal gas containing a cubic foot of each of those impurities will require,... | |
 | Thomas Thomson - 1820 - Страниц: 518
...knowledge, been led, by the increase of the quantity of gas which is obtained by passing it through red-hot tubes, to imagine that an advantage is thus gained...thus treated, sustains a much more than proportional losa of illuminating power. The quantity of quicklime required for the absorption of a cubic foot of... | |
 | Thomas Thomson, Richard Phillips, Edward William Brayley - 1820 - Страниц: 518
...knowledge, been led, by the increase of the quantity of gas which is obtained by passing it through red-hot tubes, to imagine that an advantage is thus gained...thus treated, sustains a much more than proportional Toss of illuminating power. The quantity of quicklime required for the absorption of a. cubic foot... | |
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... tubes, to imagine, that an advantage is thus gained; and they have not been aware, that the gas, when thus treated, sustains a much more than proportional loss of illuminating power. The quantity of quicklime required for the absorption of a cubic... 