spinning jack (spiningjak)

In cottonmanuf., a device for twisting and winding a sliver as it comes from the drawing-rollers. It is placed in the can, in which it rotates, the sliver being wound on a bobbin. E. H. Knight. spinning-jenny (spin'ing-jen"i), n. A spinning-machine, invented by James Hargreaves IMG:content-1758.png:[merged small][ocr errors][subsumed][subsumed][subsumed][subsumed][merged small][merged small][merged small][merged small][merged small] 5837 means of which the operator is enabled to clasp and draw out all the rovings simultaneously during the operation when winding on the whole operation being almost exof twisting, and to feed the twisted threads to the spindles actly like hand-spinning, except that a large number of rovings are operated upon instead of a single one.