XLIV.
INTERMIXTURE, REAL.
551.
Every intermixture pre-supposes a specific state of colour; and thus when we speak of intermixture, we here understand it in an atomic sense. We must first have before us certain bodies arrested at any given point of the colorific circle, before we can produce gradations by their union.
552.
Yellow, blue, and red, may be assumed as pure elementary colours, already existing; from these, violet, orange, and green, are the simplest combined results.
553.
Some persons have taken much pains to define these intermixtures more accurately, by relations of number, measure, and weight, but nothing