Richard Waller's graph-like table of "simple and mixed colors."

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The condition of the pigment mixtures used suggests some of the physical problems in creating these demonstrations, which were described by Waller and others. The samples have darkened and in some instances flaked off.

Source: Tabula Colorum. From Richard Waller, "A Catalogue of Simple and Mixt Colours with a Specimen of Each Colour Prefixt Its Properties," in Philosophical Transactions of the Royal Society of London, vol. 6 for the years 1686 and 1687 (London, 1688), after page 32.