Organisation of Gold Mining Business, withSpecimens of the Departmental Report Booksand the Account Books. By Nicol Brown.Second edition, 220 pp. fcap. folio. (1903) net150
Manual of Engineering Specifications and Contracts.By L. M. Haupt. Eighth edition, 338 pp.8vo. (New York, 1900) net 126
Depreciation of Factories, Mines, and IndustrialUndertakings, and their Valuation. By E.Matheson. Fourth edition in the Press.
Aid Book to Engineering Enterprise. By E.Matheson. Third edition, 916 pp. 8vo, buckram.(1898)1 40
Office Management. A handbook for Architectsand Civil Engineers. By W. Kaye Parry.New impression, 187 pp. medium 8vo. (1908) net 50
Commercial Organisation of Engineering Factories.By H. Spencer. 92 illus. 221 pp. 8vo.(1907) net 106

PHYSICS.

Colour, Heat and Experimental Science.

The Entropy Diagram and its Applications. ByM. J. Boulvin. 38 illus. 82 pp. demy 8vo. (1898) 50
Physical Problems and their Solution. By A.Bourgougnon. 224 pp. 18mo, boards. (NewYork, 1897) net 20
Heat for Engineers. By C. R. Darling, 110 illus.430 pp. 8vo. (1908) (Finsbury TechnicalManual) net 126
The Colourist. A method of determining colourharmony. 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 andExperimental Physics. By G. M. Hopkins.Twenty-third edition, 920 illus. 1100 pp. large 8vo.(New York, 1902) net110
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 Condensationof Steam in Bare Pipes; to which is added aTranslation of Peclet’s Theory and Experimentson the Transmission of Heat through InsulatingMaterials. By C. P. Paulding. 184illus. 102 pp. demy 8vo. (New York, 1904) net 86
The Energy Chart. Practical application toreciprocating steam-engines. By Captain H. R.Sankey. 157 illus. 170 pp. 8vo. (1907) net 76

PRICE BOOKS.

Approximate Estimates. By T. E. Coleman. Third edition, 481 pp. oblong 32mo, leather. (1907) net 50
Railway Stores Price Book. By W. O. Kempthorne. 500 pp. demy 8vo. (1909) net 106
Spons’ Engineers’ Price Book. A Synopsis of Current Prices and Rates for Engineering Materials and Products. Edited by T. G. Marlow. 650 pp. folio. (1904) net 76
Spons’ Architects’ and Builders’ Pocket Price-Book, Memoranda, Tables and Prices. Edited by Clyde Young. Revised by Stanford M. Brooks. Illustrated, 552 pp. 16mo, leather cloth (size 6½ in. by 3¾ in. by ½ in. thick). Issued annually net 30