 | William Nicholson - Science - 1802 - 752 pages
...afccrtaincd the following laits, viz. Experiment*. Tints. P .m:ting: flint «Pi jolsurs expofed to heat i Every colour, and all the tints compounded from it, were more brilliant than correfponding tints and colours mixed with the bcft drying oils to be procured from the (hops. Colours... | |
 | Mary Philadelphia Merrifield - Artists' materials - 1849 - 646 pages
...colour. By experiments with each of these solutions I ascertained the following facts, viz. : — • " Every colour, and all the tints compounded from it,...air, were so much altered that they could scarcely be recognised. " Colours tempered with amber were laid on plates of metal, and exposed (both in the air... | |
 | Mary Philadelphia Merrifield - Artists' materials - 1849 - 644 pages
...with colour. By experiments with each of these solutions I ascertained the following facts, viz.:— " Every colour, and all the tints compounded from it,...air, were so much altered that they could scarcely be recognised. " Colours tempered with amber were laid on plates of metal, and exposed (both in the air... | |
 | Original treatises - 1849 - 642 pages
...colour. By experiments with each of these solutions I ascertained the following facts, viz. : — " Every colour, and all the tints compounded from it,...air, were so much altered that they could scarcely be recognised. " Colours tempered with amber were laid on plates of metal, and exposed (both in the air... | |
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Lewis's process, without injuring its colour; and this solution was made in the common way. It was much darker coloured in itself, but produced scarcely any difference in effect when mixed with colour. By experiments with each of these solutions I ascertained... 