The key to it is the use of interchangeable cards with instructions for weaving patterns on them, upon which there were small holes punched. The invention of Jacquard took over the draw boy’s job successfully.
A draw boy should sit atop the loom, raising and lowering warp threads to create patterned, which takes too much time.
The weaving process was slow before Jacquard loom was born. It is older that we pass weft over and under the warp threads to determine patterns that will be woven into the fabric. And what forms cloth is the interlacing of threads at right angles to each other. In order to weave fabric on a loom, you need to pass a weft over and under warp, which is a set of threads. As a matter of fact, the invention of the Jacquard machine is based on some earlier machines, like machines invented by Basile Bouchon, Jean Baptiste Falcon, and Jacques Vaucanson. The combination of loom and Jacquard machine is called Jacquard loom, which was invented in 1804 by Joseph Marie Jacquard. Jacquard machine is a device that can be fitted to a loom, which simplifies the process of manufacturing textiles with complex patterns like brocade, damask and so on.
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