Dictionarium Polygraphicum. Observations on BLUE Colours.

Dictionarium Polygraphicum:
Or, The Whole Body of Arts Regularly Digested.
Vol I.
London: Printed for C. Hitch and C. Davis in Pater-noster Row, and S. Austen in St. Paul's Church Yard. MDCCXXXV.
Blue-Bice, is the most excellent blue next to ultramarine, and may serve instead of it.

It is too good a colour to use upon all occasions, and smalt may be us'd instead of it for more ordinary uses, but it will not work so well as Bice; therefore when you design to bestow some cost and pains upon a piece, you may use Bice, otherwise you need not use any other than blue-verditer; with which you may make a pretty good shift in ordinary works, although you should have no other Blue.

Indigo is a dark Blue, and principally us’d to shadow upon other Blues. It makes a dark green, being mixt with yellow berries, to shadow other greens with in the darkest places.

Blue Verditer. It is a very bright pleasant blue, and the ea fiest to work with in water; it is somewhat inclining to a green, and the blue which is most of all us'd mix'd with yellow berries; it makes a good green.

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