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Colour mixing. The fundamental principle of colour mixing was discovered by
Isaac Newton when he found that white light separates spatially into its different
component colours on passing through a prism. When the same light is passed ...
Lines in painting and landscape compared Colour variations Maintenance of
gardens Difference between accent and contrast The modern revolt in design.
Flower garden at Mount Vernon, Virginia, showing the traditional elements of
Aquamarine is the sky-blue to greenishblue variety of beryl, the most prized
colour being the former. The colour is due to a trace of iron and usually is original
, but it often is produced by heat treatment of greenish or even brownish crystals.
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review