{Pattern box}, {chain}, or {cylinder} (Figure Weaving),
devices, in a loom, for presenting several shuttles to the
picker in the proper succession for forming the figure.
{Pattern card}.
(a) A set of samples on a card.
(b) (Weaving) One of the perforated cards in a Jacquard
apparatus.
{Pattern reader}, one who arranges textile patterns.
{Pattern wheel} (Horology), a count-wheel.
2. Any hollow body of cylindrical form, as:
(a) The chamber of a steam engine in which the piston is
moved by the force of steam.
(b) The barrel of an air or other pump.
(c) (Print.) The revolving platen or bed which produces
the impression or carries the type in a cylinder
press.
(d) The bore of a gun; the turning chambered breech of a
revolver.
3. The revolving square prism carrying the cards in a
Jacquard loom.
{Cylinder axis}. (Anat.) See {Axis cylinder}, under {Axis}.
{Cylinder engine} (Paper Making), a machine in which a
cylinder takes up the pulp and delivers it in a continuous
sheet to the dryers.
{Cylinder escapement}. See {Escapement}.
{Cylinder glass}. See {Glass}.
{Cylinder mill}. See {Roller mill}.
{Cylinder press}. See {Press}.