A page of short dictionary entries on spinning machinery and terms from Knight's American Mechanical Dictionary. Entries define parts and machines such as cop-tube, copping-rail, pot-eye, roll-box, spinning-roller, water-frame, and spinning jenny, along with yarn terms like pin-cop, rove, and skein. The spinning-roller entry covers materials used for roller coverings and the early history of roller spinning (Lewis Paul, Arkwright), and is illustrated with one figure.