From a book, the "School of Arts," third edition, 1750, which has a chapter on marbling, the following, with cut, is taken:—
Cut from Book "School of Arts," 1750.
"When thus you have your colours and all things in good order, then take a pencil, or the end of a feather, and sprinkle or put first your red colour; then the blue, yellow, green, etc. Begin your red from No. 1, and go along your trough to No. 2, also the blue from No. 3, all along to No. 4; the yellow and green put here and there in the vacant places. Then with a bodkin or a small skewer draw a sort of a serpentine figure through the colours, beginning from No. 1 to No. 2; when this is done, then take your comb and draw the same straight along from