 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
 | John Frederick William Herschel - 1867 - 550 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... | |
 | Henry Watts - 1868 - 1170 pages
...the Encyclopedia Melropolitana : " 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." Fox Talbot, writing in 1826, makes the following valuable suggestions respecting these spectra: "The... | |
 | 1868 - 804 pages
...strontia, and copper, and showed that " the colors communicated to flume by different bases afforded, in many cases, a ready and neat way of detecting extremely minute quantities '' of Bitch bases. In 1826, Fox Talbot declared that he did " not hesitate to say that optical analysis could... | |
 | John Henry Pepper - 1869 - 722 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 Talbst, speaking of his experiments with the red tint of flame produced by lithium... | |
 | Henry E. Roscoe - 1869 - 372 pages
...in 1827 about this as follows : "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/' Fox Talbot, whose name we know as being so intimately connected with the origin of the beautiful art... | |
 | Henry Enfield Roscoe - 1870 - 508 pages
...writes in 1827 about this as follows: "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." Fox Talbot, whose name we know as being so intimately connected with the origin of the beautiful art... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...in 1827 about this as follows : "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." Fox Talbot, whose name we know as being so intimately connected with the origin of the beautiful art... | |
 | Mary Somerville - 1869 - 454 pages
...boracic acid ; and observes that ' 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.'6 The same opinion was afterwards formed by Mr. Fox Talbot, who after many experiments on metallic... | |
 | Henry Enfield Roscoe - 1873 - 542 pages
...letter being able to reflect its own peculiar rays. contributed by different objects to flame afford in many cases a ready and neat way of detecting extremely minute iquantities of them." Fox Talbot, whose name we know as being so intimately connected with the origin... | |
 | Edward Henry Knight - 1877 - 984 pages
...Uerscbel remarked that " the colors contributed by different objects to flame afford in many instances a ready and neat way of detecting extremely minute quantities of them.'' Mr Fox Talbot, in 1834. distinguishes tho difference between the red Нпек produced by the names... | |
| |
