Smooth calf. Plain, undecorated calf.
Split boards. 1. Boards split at the edge to admit slips and back-lining. 2. Boards made of two boards glued together, leaving a space for insertion of slips and back-lining.
Sprinkled calf. Calf treated with acid so that it looks as if it had been sprinkled with dye.
Sprinkled edges. Edges which have been colored by shaking or spraying coloring matter on them.
Squares. The parts of the board projecting beyond the edges of the leaves of the book.
Stabbing. 1. Process of fastening together the signatures of a pamphlet with wire. 2. Piercing the boards for lacing-in.
Stabbed. A pamphlet is said to be stabbed when the signatures are held together by wire staples driven in vertically near the back and clinched on the other side.
Stamping press. See Blocking press.
Stamps. Blocks or dies used to impress designs upon leather.
Standing press. A large fixed press capable of holding many books.