 | 1817 - 428 pages
...steadfastly at flame, the part where the combustible matter is volatih'sed is seen, and it appears dark, contrasted with the part in which it begins...prevents a proper quantity of air from mixing with its its central part : in consequence, the charcoal thrown off from the top of the flame is only red hot,... | |
 | 1818 - 484 pages
...looking stedfastly at flame, the part where the combustible matter is volatilized is seen, and it appears dark, contrasted with the part in which it begins...where it is so mixed with air as to become explosive. When the wick becomes clogged with charcoal, it cools the Hume by radiation, and prevents a proper... | |
 | 1818 - 458 pages
...steadfastly at flame, the part where the combustible matter is volatilized is seen, and it appears dark, contrasted with the part in which it begins...where it is so mixed with air as to become explosive. When the wick becomes clogged with charcoal, it cools the flame by radiation, and prevents a proper... | |
 | Colin MacKenzie - 1821 - 724 pages
...stedfastly at flame, the part where the combustible matter is volatilized is seen ; and it appears dark, contrasted with the part in which it begins...where it is so mixed with air as to become explosive. When the wick becomes clogged with Charcoal, it cools the flame, and prevents a proper quantity of... | |
 | Colin Mackenzie - 1822 - 774 pages
...stedfastly at flame, the part where the combustible matter is volatilized is seen ; and it appears dark, contrasted with the part in which it begins...where it is so mixed with air as to become explosive'. When the wick becomes clogged with Charcoal, it cools the flame, and prevents a proper quantity of... | |
 | Sir Humphry Davy - 1825 - 174 pages
...looking stedfastly at flame, the part where the combustible matter is volatilized is seen, and it appears dark, contrasted with the part in which it begins to burn, that is where it is * This experiment has been tried at my request, with the Great Voltaic Battery of the Royal Institution.... | |
 | Charles Wye Williams - 1841 - 206 pages
...flame, "he observes, "the part where the combustible is volatilized is seen, and it appears darker, contrasted with the part in which it begins to burn, that is, where it is so mixed with uir as to become explosive." out of this series of jets. This may be seen in fig. 47, where the inner... | |
 | Chemical Society (Great Britain) - 1892 - 1152 pages
...looking steadfastly at flame, the part where combustible matter is volatilised is seen, and it appears dark, contrasted with the part in which it begins...because in this part the quantity of oxygen is least. (3.) " The luminosity of flames is due to ' the decomposition of part of the gas towards the interior... | |
 | William White Cooper - 1853 - 340 pages
...form of the flame is conical, because the greatest heat is in the centre of the explosive mixture. The heat diminishes towards the top of the flame,...When the wick increases to a considerable size from the collecting charcoal, it cools the flame by radiation, and prevents a proper quantity of air from... | |
 | Charles Wye Williams - 1858 - 342 pages
...flame," he observes, "the part where the combustible is volatilised is seen, and it appears darker, contrasted with the part in which it begins to burn,...where it is so mixed with air as to become explosive." gas-jets, so that more gas is consumed within a given space than in the ordinary manner. But why is... | |
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The form of the flame is conical, because the greatest heat is in the centre of the explosive mixture. • In looking steadfastly at flame... 