... complete arrangement of COTTON SPINNING MACHINERY, cooeiatlcg of Carding, Roving, and Spinning Frame. Cary - * MICROSCOPK, magnifying 74 million times. new Seriw of Unsolving Views. The Science of Electricity demonstrated by the Coiottsi Electrical Machine, a quarter to three, daily, and eight In th« evenings. Models of Steam-engines and various kinds of Machinery in motion. Lactursa, daily, ...