HEAD-BAND.—The silk or cotton ornament worked at the head and tail of a volume, as a finish and to make the back even with the boards.
IMPERFECTIONS.—Sheets rejected on account of being in some respect imperfect, and for which others are required to make the work complete.
IN BOARDS.—When a volume is cut after the mill-boards are attached, it is said to be cut in boards.
INSET.—The inner pages of a sheet, cut off in folding certain sizes; to be inset in the centre of the sheet.
JOINTS.—The projection formed in backing to admit the mill-boards. The leather or cloth placed from the projection on to the mill-board is called a joint.
KETTLE-STITCH.—The chain-stitch which the sewer makes at the head and tail of a book. A corruption of either chain-stitch, or catch-up stitch.
KEYS.—Little metal instruments used to secure the bands to the sewing press.
KNOCKING-DOWN IRON.—A piece of iron having a small leg in the centre by which it is secured in the lying press. When fastened there it is used to pound or beat with a hammer the slips into the boards after they are laced in, so that they do not show when the book is covered.
LACED IN.—When the mill-boards are attached to the volume by means of the slips being passed through holes |177| made in the boards, they are said to be laced in or drawn in.
LAW CALF.—Law books are usually bound in calf left wholly uncoloured, hence the term for white calf.