POLICIA DE Puerto RICO Proteccion Integridad Puerto Rican Police 2 Patches PR

Machinery created during the 18th- and 19th-century Industrial Revolution changed garment production with technology such as power looms and sewing machines, making fabrics of more uniform quality and greatly increased production efficiency. Embroidery-once a time-consuming hand-made stitch-by-stitch process-was revolutionized by the introduction of the Schiffli embroidery machine, invented by Isaak Groebli of Switzerland in 1863. Like the game-changing sewing machine, it operated with a two-thread system. Early production from the multi-needle machine, powered by a hand-turned crank, wasn’t much quicker than handwork, but significantly, multiple copies of identical designs could be created. Groebli’s machine utilized the combination of a continuously threaded needle and shuttle containing a bobbin of thread. The shuttle itself looked similar to the hull of a sailboat. “Schiffli” means “little boat” in the Swiss dialect of the German language, so his machine came to be known as a schiffli machine. An automatic machine, refined by Isaak’s eldest son in 1898, simplified the mechanical system so it could be run by a single operator. Types of stitches-including chain stitch, buttonhole or blanket stitch, running stitch, satin stitch, and cross stitch- are the basis of embroidery. Patches are often crafted from chain, satin, and hemming stitches and machine work relies on the use of multiple threads.

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