 | American literature - 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 minute quantities of them ; but this rather belongs to Chemistry than to our present subject. The pure earths, when violently... | |
 | 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... | |
 | Sir William Crookes, George Wharton Simpson - Photography - 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 minute quantities of them ; but this rather belongs to chemistry than to our present subject. The pure earths, when violently... | |
 | Chemistry - 1862 - 328 pages
...the year 1817, Herschel says, — " The colours thus communicated by different bases to flame afford in many cases a ready and neat way of detecting extremely minute quantities of them." But it is to Fox Talbot, a gentleman well-kno on to us as one of the first investigators of the beautiful... | |
 | Chemistry - 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, by directing... | |
 | Physics - 1863 - 708 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, by directing... | |
 | Chemistry - 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, by directing... | |
 | Edward Isidore Sears - 1865 - 858 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... | |
 | John Frederick William Herschel - Ophthalmology - 1867 - 552 pages
...(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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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... 
