GOUGE.—A tool used in finishing; it is a line forming the segment of a circle.
GRAINING BOARDS.—Boards used for producing a grain on calf and russia books. Grain of various form is cut in wood, and by pressure the leather upon which the boards are laid receives the impression.
GRAINING PLATES.—Metal plates same as above.
GUARDS.—Strips of paper inserted in the backs or books intended for the insertion of plates, to prevent the book being uneven when filled; also the strips upon which plates are mounted.
GUIDES.—The groove in which the plough moves upon the face of the cutting press.
GUILLOTINE.—A machine used for cutting paper.
GUINEA-EDGE.—A roll with a pattern similar to the edge of an old guinea.
HALF-BOUND.—When a volume is covered with leather upon the back and corners; and the sides with paper or cloth.
HAND-LETTERS.—Letters fixed in handles; used singly for lettering.
HEAD AND TAIL.—The top and bottom of a book.