For raised past and gold, special brushes are made. These are somewhat longer than the ordinary painting-brushes, and are known in the trade as Trenton tracers. (cut No. 11.)
For very fine lines, It is frequently necessary to cut off the outer rows of hairs. this is done with a knife or scissors, and the cutting is done close to the quill. This will leave a remarkably thin brush, capably of fine work, with a long, sharp point.
A red sable liner No. 1 should be kept exclusively for India-ink, and should be marked in someway on the handle to prevent its being used for painting. It is equally important never to use a painting-brush in the India-ink.
Square shaders of extra size come in wooden handles ; they are Nos. 11 and 13. These are
