Proceedings of the Fifth Congress, International Association for Testing Materials. English edition. 189 illus., 549 pp., 8vo. (1910.) 18s. net.
Proceedings of the Sixth Congress. (1913.) 30s. net.
MATHEMATICS
Imaginary Quantities. By M. Argand. Translated by Prof. Hardy. 18mo, boards. (New York.) 2s. net.
Text-book of Practical Solid Geometry. By E. H. de V. Atkinson. Revised by Major B. R. Ward, R.E. Second edition, 17 plates, 134 pp., 8vo. (1913.) 7s. 6d.
Quick and Easy Methods of Calculating, and the Theory and Use of the Slide Rule. By R. G. Blaine. Fourth edition, 6 illus., xii + 152 pp., 16mo. (1912.) 2s. 6d. net.
Symbolic Algebra, or the Algebra of Algebraic Numbers. By W. Cain. 12 illus., 131 pp., 18mo, boards. (New York, 1884.) 2s. net.
Nautical Astronomy. By J. H. Colvin. 127 pp., crown 8vo. (1901.) 2s. 6d. net.
Chemical Problems. By J. C. Foye. Fourth edition, 141 pp., 18mo, boards. (New York, 1898.) 2s. net.
Primer of the Calculus. By E. S. Gould. Second edition, 24 illus., 122 pp., 18mo, boards. (New York, 1899.) 2s. net.