PHYSICS.

Colour, Heat and Experimental Science.

The Entropy Diagram and its Applications. By M. J. Boulvin. 38 illus. 82 pp. demy 8vo. (1898)  50
Physical Problems and their Solution. By A. Bourgougnon. 224 pp. 18mo, boards. (New York, 1897) net  20
Heat for Engineers. By C. R. Darling, 110 illus. 430 pp. 8vo. (1908) (Finsbury Technical Manual) net  126
The Colourist. A method of determining colour harmony. By J. A. H. Hatt. 2 coloured plates, 80 pp. 8vo. (New York, 1908) net  66
Engineering Thermodynamics. By C. F. Hirschfeld. 22 illus. 157 pp. 18mo, boards. (New York, 1907) net  20
Experimental Science: Elementary, Practical and Experimental Physics. By G. M. Hopkins. Twenty-third edition, 920 illus. 1100 pp. large 8vo. (New York, 1902) net 110
Reform in Chemical and Physical Calculations. By C. J. T. Hanssen. Demy 4to. (1897) net  66
Introduction to the Study of Colour Phenomena. By J. W. Lovibond. 10 hand coloured plates, 48 pp. 8vo. (1905) net  50
Practical Laws and Data on the Condensation of Steam in Bare Pipes; to which is added a Translation of Peclet’s Theory and Experiments on the Transmission of Heat through Insulating Materials. By C. P. Paulding. 184 illus. 102 pp. demy 8vo. (New York, 1904) net  86
The Energy Chart. Practical application to reciprocating steam-engines. By Captain H. R. Sankey. 157 illus. 170 pp. 8vo. (1907) net  76