The filling thread is wound on a bobbin which is fastened in the shuttle and which permits the yarn to unwind as it passes to and fro. As fast as each filling thread is interlaced with warp it is pressed close to the previous one by means of a reed which advances toward and recedes from the cloth after each passage of the shuttle. This is done to make the cloth firm. There are various movements on the loom for controlling the tension of the warp, for drawing forward or taking up the cloth as it is produced, and for stopping the loom in the case of breakage of the warp thread or the running out of the filling thread.

Weaving may be performed by hand in hand-looms or by steam-power in power-looms, but the arrangements for both are to a certain extent the same. A great number of different kinds of power-looms are manufactured for producing the various classes of textiles in use at the present time. These looms are distinguished by the name of the material which they are designed to weave, as the ribbon-loom, blanket-loom, burlaps- and sacking-loom, plush-loom, double-cloth loom, rug-loom, fancy cotton-loom, silk-loom, worsted-loom, etc.

Weaving is distinct from knitting, netting, looping, and braiding, which are operations depending on the interlacing of a single thread, or single set of threads, while weaving is done with two distinct and separate sets of threads.

MAIN WEAVE ROOM

1. Warp beam containing warp.
2. Lease Rods.
3. Harnesses.
4. Dobby Head motion to lift harnesses.
5. Jacquard Head motion.
6. Cards containing design—working in connection with Jacquard Head motion.
7. Whip Roll.

Classes of Weave. The character of the weave offers the best basis for classification of woven goods. Nearly all the varieties of cloth may be classified from the following weaves:

(1) Plain-weaving,
(2) Twill-weaving,
(3) Satin-weaving,
(4) Figure-weaving,
(5) Double-cloth-weaving,
(6) Pile-weaving,
(7) Gauze-weaving,
(8) Lappet-weaving.

Plain or Homespun Weave. Plain cloth is the simplest cloth that can be woven. In this weave one series of threads (filling) crosses another series (warp) at right angles, passing over one and under one in regular order, thus forming a simple interlacement of the threads. This combination makes a strong and firm cloth, but does not give a close or a heavy fabric, as the threads do not lie as close and compact as they do in other weaves. In plain cloth, if not fulled or shrunk in the finish, the result is a fabric perforated with large or small openings according to the size or twist of yarn used. If heavy or coarse threads are used the perforations will be large; if finer threads, the perforations will be smaller.