Rolling machine. A machine introduced to save the labor of beating. By it the sheets are passed between two revolving cylinders. Used in publishers’ binding.
Rolls. Wheels of brass, cut to any pattern, for impressing gold leaf on leather.
Roulette border. A border design produced by a wheel on the circumference of which is engraved a pattern that reproduces itself as the wheel is revolved.
Rounding Hammer
Rounded edges. See Edges rounded.
Rounding. The process by which the back of a book is made round.
Rounding hammer. A heavy, round-faced hammer used in rounding books.
Roundlet. A small circle in gold.
Roxburgh binding. A binding with a rather narrow leather back, without bands, simply lettered, paper sides and no leather corners.