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 other purposes, and this of course presses unfairly upon the more conscientious maker, so long as the public do not decline to be deceived.

English wall papers are made in lengths 21 inches wide. French wall papers are 18 inches wide. This has probably been found most convenient in working in block-printing: it is obvious to any one who has seen the printers at work that a wider block than 21 inches would be unwieldy, since the block is printed by hand, being suspended from above by a cord, and guided by the workman's hand from the well of colour, into which it is dipped, to the paper flat on a table before him.

The designer must work to the given width, and though his design may vary in depth, must never exceed 21 inches square, except where double blocks are used. His main business is to devise his pattern 56