American Tool Making and Interchangeable Manufacturing. By J. W. Woodworth. Second Ed. 600 illus., 535 pp., 8vo (New York, 1911.) 18s. net.
USEFUL TABLES
See also Curve Tables, Earthwork, Foreign Exchange, Interest Tables, Logarithms, and Metric Tables.
Weights and Measurements of Sheet Lead. By J. Alexander. 32mo, roan. 1s. 6d. net.
Barlow's Tables of Squares, Cubes, Square Roots, Cube Roots and Reciprocals, of all Integer Numbers from 1 to 10,000. 200 pp., crown 8vo, leather cloth. 4s. net.
Tables of Squares. Of every foot, inch and 1/16 of an inch from 1/16 of an inch to 50 feet. By E. E. Buchanan. Eleventh edition, 102 pp., 16mo. 4s. 6d. net.
Land Area Tables. By W. Codd. For use with Amsler's Planimeter. On sheet in envelope with explanatory pamphlet, 1s. 6d. net. Or separately: tables on sheet 1s. net. Pamphlet, 6d. net.
Tables of some of the Principal Speeds occurring in Mechanical Engineering, expressed in Metres per second. By K. Keerayeff. 18mo, sewed. 6d. net.
Calculating Scale. A Substitute for the Slide Rule. By W. Knowles. Crown 8vo, leather, 1s. net.
Planimeter Areas. Multipliers for various scales. By H. B. Molesworth. Folding sheet in cloth case. 1s. net.