 | 1826 - 460 pages
...candle surrounded by an exterior yellow flame. This appearance only lasts until the oil is consumed. 4. The flame of sulphur and nitre contains a red ray, which appears to me of a remarkable nature. While examining the yellow line in the spectrum of this flame, I perceived another line situated beyond... | |
 | 1826 - 418 pages
...candle surrounded by an exterior yellow flame. This appearance only lasts until the oil is consumed. 4. The flame of sulphur and nitre contains a red ray, which appears to me of a remarkable nature. While examining the yellow line in the spectrum of this flame, I perceived another line situated beyond... | |
 | 1861 - 410 pages
...surrounded by an exterior yellow flame. This appearance only lasts until the oil is consumed. -i . The flame of sulphur and nitre contains a red ray, which appears to me of a remarkable nature. While examining the yellow line in the spectrum of this flame, I perceived another line, situated beyond... | |
 | 1861 - 516 pages
...whose wick had been soaked with nitre or chlorate of potash. He was now led to argue as follows:! " This red ray appears to possess a definite refrangibility,...characteristic of the salts of potash, as the yellow my is of the salts of soda, although, from its feeble illuminating power, it is only to be detected... | |
 | 1862 - 328 pages
...nitre and sulphur, he observed a red ray, of low but definite rcfrangibility, which he regarded as characteristic of the salts of potash, as the yellow ray is of the salts of soda. He concludes his paper with the following observation, which follows some remarks upon some experiments... | |
 | 1863 - 708 pages
...colouring matter reduced to vapour, and held in a state of violent ignition.« T alb ot sagt '): » The flame of sulphur and nitre contains a red ray...from its feeble illuminating power, it is only to be deI) Brewjter's Journ. of Science, V, 1826, Chemical News //pri/'l", 1861. tectcd with a prisin.... | |
 | 1863 - 720 pages
...the colouring matter reduced to vapour, and held in a state of violent ignition.« Talbot sagt '): » The flame of sulphur and nitre contains a red ray...from its feeble illuminating power, it is only to be de1) Brewstcr's Journ. of Science, f, 1826, Chemical News /fprilll, 1861. tectcd with a prisrn.... | |
 | 1863 - 694 pages
...colouring matter reduced to vapour, and held in a state of violent ignition. « T albot sagt ' ) : » The flame of sulphur and nitre contains a red ray.... . » This red ray appears to possess a definite refrangibiUty, and to be characteristic of the salts of potash, as the yellow ray is of the salts of... | |
 | Henry Enfield Roscoe - 1870 - 514 pages
...by prismatic analysis, are found to possess the peculiar definite rays in excess which characterise the tints of flames coloured by them ; so that there...from its feeble illuminating power, it is only to be detected with a prism. If this should be admitted, I would further suggest, that whenever the prism... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...molecules of the colouring matter, reduced to vapour and in a state of violent ignition." Talbot says : 1 " The flame of sulphur and nitre contains a red ray...from its feeble illuminating power, it is only to be detected with a prism. If this should be admitted, I would further suggest that whenever the prism... | |
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The flame of sulphur and nitre contains a red ray which appears to me of a remarkable nature. This red ray appears to possess a definite refrangibility, and to be characteristic of the salts of potash, as the yellow ray is of the salts of soda, although,... 
