Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/88

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58
BOOKBINDING.

octavo. The board is then to be turned over, and a second hole made about half an inch away from the first ones. The boards having been holed, the slips must be scraped, pasted slightly, and tapered or pointed. Draw them tightly through the hole first made and hack through the second. Tap them slightly when the board is down to prevent them from slipping and getting loose. When the cords are drawn through, cut the ends close to the board with a knife, and well hammer them down on the knocking-down iron to make the board close on the slips and hold them tight. The slips should be well and carefully hammered, as any projection will be seen with great distinctness when the book is covered. The hammer must be held perfectly even, for the slips will he cut by the edge of it if used carelessly.

The book is now to be examined, and any little alteration may be made before putting it into the standing press. With all books, a tin should be placed between the mill-board and book, to flatten the slips, and prevent their adherence. The tin is placed right up to the groove, and serves also as a guide for the pressing board. Pressing boards, the same size as the book, should be put flush with the groove, using the pressing tin as guide, and the book or books placed in the centre of the press directly under the screw, which is to be tightened as much as possible. In pressing books of various sizes, the largest book must always be put at the bottom of the press, with a block or a few pressing boards between the various sizes, in order to get equal pressure on the whole, and to allow the screw to come exactly on the centre of the books.

The backs of the books are now to be pasted, and allowed to stand for a few minutes to soften the glue. Then with a piece of wood or iron, called a cleaning-off stick (wood is preferable), the glue is rubbed off, and the backs are well rubbed with a handful of shavings and left to dry. Leave them as long as possible in the press, and if the volume is