 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 Photographic News - Page 43edited by - 1860Full view - About this book
 | 1871 - 808 pages
...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... | |
 | Encyclopaedia - 1845 - 876 pages
...and its identity at all times. The colours thus communicated by the different base« to flame, afford in many cases a ready and neat way of detecting extremely...subject. The pure earths, when violently heated, as has recently been practised by Lieutenant Drummond, by directing on small spheres of them the flames of... | |
 | 1871 - 792 pages
...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... | |
 | 1862 - 328 pages
...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
...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 - 700 pages
...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
...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 - 720 pages
...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
...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... | |
 | sir John Frederick W. Herschel (1st bart.) - 1867 - 642 pages
...(Encyc. Metrop., vol. iv.): — "The colours thus communicated by the diferent 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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