TRIMMING.—Shaving the rough edge of the leaves of a book that is not to be cut.
TRINDLE.—A thin strip of wood or iron.
TURNING-UP.—The process of cutting the foredge in such a manner as to throw the round out of the back until the edge is cut. All books that are cut in boards have a pair of trindles thrust between the boards and across the back to assist the operation.
TYING-UP.—The tying of a volume after the cover has been drawn on, so as to make the leather adhere better to the sides of the bands; also for setting the head-band.
TYPE.—Metal letters used in printing and lettering.
TYPE-HOLDER.—An instrument for holding the type when used for lettering.
VARNISH.—Used as a protection to the glaire when polished on the covers of books.
WHIPPING.—Another term for overcasting, but when longer stitches are made.
WITNESS.—When a volume is cut so as to show that it has not been so cut down, but that some of the leaves have still rough edges. These uncut leaves are called “Witness” (see PROOF).
WRINKLE.—The uneven surface in a volume, caused by not being properly pressed or by dampness, also caused by improper backing.