 | 1851 - 450 páginas
...has forwarded from the north of China, for the Industrial Exhibition, specimens of these materials, which from their appearance, there can be no hesitation...was then attributed possibly to the employment of kaolen or agalmatolite. Mr JR Reeves, in a letter to my friend Mr Thomson, dated July 1, 1844, commenting... | |
 | 1851 - 438 páginas
...has forwarded from the north of China, for the Industrial Exhibition, specimens of these materials, which from their appearance, there can be no hesitation...was then attributed possibly to the employment of kaolen or agalmatolite. Mr JR Reeves, in a letter to my friend Mr Thomson, dated July 1, 1844, commenting... | |
 | 1852 - 536 páginas
...Apothecaries' Hall, as being composed of fibrous gypsum (calcined), turmeric-root, and Prussian-blue; the latter of a bright, pale tint, most likely from...admixture may account for the alumina and silica found previously, and attributed possibly to the employment of kaolin or agalmatalite. According to Mr. Warrington,... | |
 | Thomas Campbell, Samuel Carter Hall, Edward Bulwer Lytton Baron Lytton, Theodore Edward Hook, Thomas Hood, William Harrison Ainsworth, William Ainsworth - 1852 - 524 páginas
...Apothecaries' Hall, as being composed of fibrous gypsum (calcined), turmeric-root, and Prussian-blue; the latter of a bright, pale tint, most likely from...admixture may account for the alumina and silica found previously, and attributed possibly to the employment of kaolin or agalmatalite. According to Mr. Warrington,... | |
 | 1852 - 516 páginas
...Apothecaries' Hall, as being composed of fibrous gypsum (calcined), turmeric-root, and Prussian-blue; the. latter of a bright, pale tint, most likely from admixture with alumina, or porciEflaift.cray, which admixture may account for the alumina and silica found, previously, and attributed... | |
 | Cyclopaedia - 1852 - 258 páginas
...Prussian blue ; the latter, judging from the specimen sent by Mr. Fortune to the Great Exhibition, " being of a bright pale tint, most likely from admixture with alumina or porcelain clay." Indigo also appears to be occasionally used as a colouring matter. Other writers affirm,... | |
 | 1853 - 522 páginas
...materials, which, from their appearance, are undoubtedly fibrous gypsum calcined, turmeric root, andPrussian blue ; the latter of a bright pale tint, most likely from admixture with alumina or porcelain clay. Alumina and silica were found in the former analysis, and their presence was attributed... | |
 | Thomas H. Hoskins - 1861 - 254 páginas
...higher price." Mr. Warrington, whom I have quoted before, in a paper read before the Chemical Society, says: — " Mr. Fortune has forwarded from the north...pale tint, most likely from admixture with alumina or porcelain clay." These pigmentary adulterations are easily recognized, and when a genuine green tea... | |
 | 1852 - 1100 páginas
...has forwarded from the north of China for the Industrial Exhibition, specimens of these materials, which from their appearance, there can be no hesitation...found as stated in my previous paper, and the presence ol which was then attributed possibly to the employment of kaolin or agalmatolite. Mr. JR Reeves, in... | |
 | 1851 - 614 páginas
...has forwarded, from the nortl of China, for the Industrial Exhibition, specimens of these materials, which from their appearance, there can be no hesitation...of a bright pale tint, most likely from admixture wilh alumina or porcelainclay, which admixture may account for the alumina andsilica found as stated... | |
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Prussian blue of a darker or a paler tint, placed beyond a doubt by a positive demonstration ; for Mr Fortune has forwarded from the north of China, for the Industrial Exhibition, specimens of these materials, which from their appearance, there can be... 