| 1871 - 808 pages
...intervals at all events, till 1827, when he wrote, " The colors thus contributed by different objects to flame afford in many cases a ready and neat way...of detecting extremely minute quantities of them." Here we find spectrum analysis almost stated in terms, and yet, although Herschel, Brewster, and Fox... | |
| 1871 - 792 pages
...intervals at all events, till 1827, when he wrote : "The colours thus contributed by different objects to flame afford in many cases a ready and neat way...of detecting extremely minute quantities of them." Here we find spectrum analysis almost stated in terms, and yet, although Herschel, Brewster, and Fox... | |
| Sir William Crookes, George Wharton Simpson - 1860 - 858 pages
...its identity at all times. The colours thus communicated by the different bases to Зяте afiord in many cases a ready and neat way of detecting extremely...subject. The pure earths, when violently heated, as has been practised by Lieutenant Drummond, by directing on small spheres of them the flames of several... | |
| 1862 - 328 pages
...light is an absolutely homogeneous yellow. . . . The colours thus communicated by the different bases to flame afford, in many cases, a ready and neat way...of detecting extremely minute quantities of them. . . . The pure earths, •when violently heated, as has recently been practised by Lieutenant Urummond,... | |
| 1863 - 694 pages
...powder into the wick of a spirit-lamp « . . . . » The colours thus communicated by the different bases to flame afford, in many cases, a ready and neat way of detecting extremely minute quantities of them «... » The pure earths, when violently heated, as has recently been practised by Lieutenant Drummond,... | |
| 1863 - 720 pages
...powder into the wick of a spirit-lamp « . . . . » The colours thus communicated by the different bases to flame afford, in many cases, a ready and neat way...of detecting extremely minute Quantities of them« ... » The pure earths , when violently heated, as has recently been practised by Lieutenant Drummond,... | |
| William Allen Miller - 1863 - 618 pages
...put in powder into the wick of a spirit-lamp. The colours thus communicated by the different bases to flame, afford in many cases a ready and neat way...of detecting extremely minute quantities of them." The analysis of the spectra of artificial lights was resumed by Fox Talbot in 1826, in vol. v. of Brewster's... | |
| 1863 - 700 pages
...powder into the wick of a spirit-lamp « .... « The colours thus communicated by the different bases to flame afford, in many cases, a ready and neat way of detecting extremely minute quantities of them «... » The pure earths, when violently heated, as has recently been practised by Lieutenant Drummond,... | |
| Edward Isidore Sears - 1865 - 870 pages
...muriates succeed best from their volatility ;" " the colors thus communicated by the different bases to flame, afford in many cases a ready and neat way...of detecting extremely minute quantities of them." TalbotJ, in 1826, analysed the spectra of various artificial lights. He observed a constant yellow... | |
| John Frederick William Herschel - 1867 - 550 pages
...published in 1827 (Encyc. Metrop., vol. iv.): — "The colours thus communicated by the different bases to flame, afford in many cases a ready and neat way...of detecting extremely minute quantities of them." — Article, " Light," § 524.) almost infinite variety of particulars as to their intimate nature... | |
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