01-23-2023, 01:54 PM
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The first two comments by H. de Beer could be plausible origins of the term (the third one is silly) : a) Colcothar/'Golcotha', and b) the pigment from mummies, which was a thing back then:
https://en.wikipedia.org/wiki/Mummy_brown
And, Paul, for the colour chips of artist's oils, they usually give them a stroke at one end with a hog bristle brush in order to show their relative transparency/opacity.
The first two comments by H. de Beer could be plausible origins of the term (the third one is silly) : a) Colcothar/'Golcotha', and b) the pigment from mummies, which was a thing back then:
https://en.wikipedia.org/wiki/Mummy_brown
And, Paul, for the colour chips of artist's oils, they usually give them a stroke at one end with a hog bristle brush in order to show their relative transparency/opacity.