 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 43redigeeritud poolt - 1860Full view - About this book
 | 1871 - 808 lehte
...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 lehte
...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 lehte
...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 lehte
...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 lehte
...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 - 708 lehte
...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 lehte
...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 lehte
...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 - 858 lehte
...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 lehte
...(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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