Vol. I. Acetylene Lighting to Drying. 223 illus., 532 pp.

Vol. II. Dyeing to Japanning. 259 illus., 540 pp.

Vol. III. Jointing Pipes to Pumps. 257 illus., 528 pp.

Vol. IV. Rainwater Separators to Wire Ropes. 321 illus., 540 pp.

Gauges at a Glance. By T. Taylor. Second edition, post 8vo, oblong, with tape converter. (1900.) 5s. net.

Simple Soldering, both Hard and Soft. By E. Thatcher. 52 illus., 76 pp., crown 8vo. (S. & C. Series, No. 18.) (New York, 1910.) 1s. 6d. net.

The Modern Machinist. By J. T. Usher. Fifth edition, 257 illus., 322 pp., 8vo. (New York, 1904.) 10s. 6d. net.

Practical Wood Carving. By C. J. Woodsend. 108 illus., 86 pp., 8vo. Second ed. (New York, 1908.) 4s. 6d. net.

American Tool Making and Interchangeable Manufacturing. By J. W. Woodworth. Second Ed. 600 illus., 535 pp., 8vo. (New York, 1911.) 18s. net.

USEFUL TABLES