 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
 | Marlborough College (Marlborough, England). Natural History Society - 1877 - 606 pages
...other substances, he says : " 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." And a f ew years later Fox Talbot remarks : "A glance at the prismatic spectrum of flame may shew it... | |
 | John Henry Pepper - 1877 - 764 pages
...Sir John Herschel remarks that, "The colours thus communicated by different bases to flame affords in many cases a ready and neat way of detecting extremely minute quantities of them." In 1834 Mr. Fox Talbot, speaking of his experiments with the red tint of flame produced by lithium... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1879 - 590 pages
...concerning these observations — " the colour thus contributed by different objects to flame affords in many cases a ready and neat way of detecting extremely minute quantities of them." Again, Fox Talbot writes as follows in 1826: — "The red fire of the theatres gave a most beautiful... | |
 | Eneas Sweetland Dallas - 1870 - 532 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 pure earths, when violently heated — as has been recently practised by Lieutenant Drummond, by... | |
 | James Samuelson, Sir William Crookes - 1880 - 822 pages
...to flames, he observes that " 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 ;" and he assigns also reasons to show that " these tints arise from the molecules of the colouring-matter... | |
 | Robert Routledge - 1881 - 748 pages
...colorations in chemical analysis : " 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." 31 Fox-Talbot, whose name will always be remembered in connection with the beautiful art of photography,... | |
 | Gustav Kirchhoff - 1882 - 832 pages
...spirit-lamp" — „The colours thus communicated by the different bases to flame afford, in niany cases, a ready and neat way of detecting extremely minute quantities of them" . . . „The pure earths, when violently heated, äs has recently been practised by Lieutenant Drummond,... | |
 | Robert Routledge - 1893 - 732 pages
...other substances, remarking that " 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." A few years later, Fox TaIbot described the method of obtaining a monochromatic flame, by using in... | |
 | Heinrich Kayser - 1900 - 820 pages
...beautiful pale violet." — „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." — „ . . . can be no doubt that these tints arise froni the molecules of the colouring matter reduced... | |
 | Heinrich Kayser - 1900 - 830 pages
...pale violet." — „The colours thus communicated by the different bases to flame afford, in niany cases, a ready and neat way of detecting extremely minute quantities of them." — „ . . . can be no doubt that these tints arise from the molecules of the colouring matter reduced... | |
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