Church, A. H. (Arthur Herbert), 1834-1915, Vincent Brooks, Day & Son, lithographer, Cassell & Company, publisher · London ; Paris ; New York ; Melbourne : Cassell and Company, Limited · leaf 189
d granulated gold appear of a far richer colour than burnished gold.And by so shaping the grooves or lines of chasing uponany piece of coloured metal that repeated reflections atsmall angles of incidence occur in them, very rich coloureffects may be produced. The splendid colours insidegold or gilt… … Fig. 37. becomes enriched, but in hue it is also modified. Thus,copper may be made to yield ultimately a nearly pure ormonochromatic red light by repeated reflections. Thecolour is more decided, it is purer; but there is lesslight. The colour of a pure metal may be greatly altered byalloying it,…
Colors · Color · Kleuren · Kleurwaarneming · Kleurtheorie
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