COTTON SPINNING (First Year). By Thomas Thornley, Spinning Master, Bolton Technical School. 160 pp. Eighty-four Illustrations. Crown 8vo. Second Impression. Price 3s. net. (Post free, 3s. 4d. home; 3s. 6d. abroad.)

COTTON SPINNING (Intermediate, or Second Year). By Thomas Thornley. Second Impression. 180 pp. Seventy Illustrations. Crown 8vo. Price 5s. net. (Post free, 5s. 4d. home: 5s. 6d. abroad.)

COTTON SPINNING (Honours, or Third Year). By Thomas Thornley. 216 pp Seventy-four Illustrations. Crown 8vo. Second Edition. Price 5s. net. (Post free, 5s. 4d. home; 5s. 6d. abroad.)

COTTON COMBING MACHINES. By Thos. Thornley, Spinning Master, Technical School, Bolton. Demy 8vo. 117 Illustrations. 300 pp. Price 7s. 6d. net. (Post free, 8s. home; 8s. 6d. abroad.)

COTTON WASTE: Its Production, Characteristics, Regulation, Opening, Carding, Spinning and Weaving. By Thomas Thornley. Demy 8vo. About 300 pages. [In the press.

THE RING SPINNING FRAME: GUIDE FOR OVERLOOKERS AND STUDENTS. By N. Booth. Crown 8vo. 76 pages. Price 3s. net. (Post free, 3s. 3d. home; 3s. 6d. abroad.) [Just published.