=Asterisk.= This well known sign is sometimes used to indicate that the printed matter on which it appears is to take the place of pages previously printed.
=Azuré tools.= Tools with a series of horizontal lines parallel on their faces.
=Back lining.= Cloth or paper glued to the back of a book to help hold the signatures together.
=Backing.= Forcing over the folds on each side at the back to form grooves into which boards fit, forming the joint.
=Backing boards.= Used for backing or forming the joint. Made of hardwood sometimes faced with iron. Have a beveled edge, over which the paper is forced by hammering and are thicker at this edge than at the other, so that when placed one on each side of the book and all are placed in the lying press, the power of the press is brought to bear on the part of the book nearest the back.
=Backing hammer.= Has a broad, flat face and short handle. Used in rounding and backing.
=Backing machine.= Machine run by power used in edition work for backing books.
=Backing press.= A press having vertical steel plates brought together with a screw. When the book is placed in it with the back slightly projecting it can be backed in exactly the same way as if backing boards were used.
=Band-driver.= Used in forwarding to eliminate irregularities of raised bands.
=Band nipper.= Pincers used after leather has been put on over raised bands in order to straighten them.
=Banding.= Decorating by means of horizontal stripes.
=Beading.= Small twist or roll formed when winding the cotton or silk in head-banding.
=Beating.= Process of flattening and smoothing out the folded sheets to make the leaves lie closely together.
=Beating hammer.= Heavy, short-handled hammer used for beating books to make the leaves lie closely together.
=Beating stone.= Stone or iron bed on which books are beaten.
=Beveled boards.= Heavy boards with beveled edges, sometimes used for the sides of very heavy or large books.
=Binder.= 1. Case used for the temporary protection of pamphlets and periodicals. Can be detached and used on succeeding numbers. 2. One whose business it is to bind books.
=Binder's title.= Title lettered on the back of a book. Frequently differs from that on the title page.
