GROUP XXII. MACHINES, APPARATUS, AND IMPLEMENTS USED IN SEWING AND MAKING CLOTHING, LACE, ORNAMENTAL OBJECTS, PINS, Etc. Class 530.—Machines used in the manufacture of tapestry, including carpets, lace, floor-cloth, fancy embroidery, etc. Class 531.—Sewing and knitting machines; clothes-making machines. Class 534.—Machines for ironing, drying, and scouring. Class 535.—Machines for making clocks and watches. Class 536.—Machines for making jewelry. Class 537.—Machines for making buttons, pins, needles, etc., and for sticking pins upon paper. vii