Of Wall Papers.
prepared from designs, the outlines of which are reproduced by means of flat brass wire driven edgeways into the wood block. One block for each tint is used. First one colour is printed on a length of paper, a piece of 12 yards long and 21 inches wide, which is passed over sticks suspended across the workshop. When the first colour is dry the next is printed, and so on; the colours being mixed with size and put in shallow trays or wells, into which the blocks are dipped.
A cheaper kind is printed by steam power from rollers on which the design has been reproduced in the same way by brass wire, which holds the colour; but in the case of machine-printed papers all the tints are printed at once. Thus the pattern is often imperfect and blurred.
A more elaborate and costly kind of
