Encyclopedia Britannica (11th ed.) article on cotton-spinning machinery, covering the sequence of processes from ginning and baling through mill preparation to spinning, reeling and bundling. It describes the saw gin and Macarthy gin, bale breakers, openers and scutchers, carding engines, combing, drawing, slubbing, intermediate and roving frames, ring spinning and the self-acting mule. Historical notes on inventors such as Whitney, Arkwright, Crompton and Roberts are included. Illustrated with line diagrams of machines and two plates of photographs of a Manchester fine cotton-spinning mill.