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.

Elementary Treatise on the Calculus for Engineering Students. By J. Graham. Fourth edition, 116 illus., xii + 355 pp., cr. 8vo. (1914.) 5s. net.

Manual of the Slide Rule. By F. A. Halsey. Second edition, 31 illus., 84 pp., 18mo, boards. (New York, 1901.) 2s. net.

Reform in Chemical and Physical Calculations. By C. J. T. Hanssen. 4to. (1897.) 6s. 6d. net.

Algebra Self-Taught. By P. Higgs. Third edition, 104 pp., crown 8vo. (1903.) 2s. 6d.

A Text-book on Graphic Statics. By C. W. Malcolm. 155 illus., 316 pp., 8vo. (New York, 1909.) 12s. 6d. net.

Galvanic Circuit Investigated Mathematically. By G. S. Ohm. Translated by William Francis. 269 pp., 18mo, boards. (New York, 1891.) 2s. net.

Elementary Practical Mathematics. By M. T. Ormsby. Second edition, 128 illus., xii + 410 pp., medium 8vo. (1911.) 5s. net.

Elements of Graphic Statics. By K. Von Ott. Translated by G. S. Clarke. 95 illus., 128 pp., crown 8vo. (1901.) 5s.

Figure of the Earth. By F. C. Roberts. 2 illus., 95 pp., 18mo, boards. (New York, 1885.) 2s. net.

Arithmetic of Electricity. By T. O'C. Sloane. Thirteenth edition, 5 illus., 162 pp., crown 8vo. (New York, 1901.) 4s. 6d. net.

Graphic Method for Solving certain Questions in Arithmetic or Algebra. By G. L. Vose. Second edition, 28 illus., 62 pp., 18mo, boards. (New York, 1902.) 2s. net.

Problems in Electricity. A Graduated Collection comprising all branches of Electrical Science. By R. Weber. Translated from the French by E. A. O'Keefe. 34 illus., 366 pp., crown 8vo. (1902.) 7s. 6d. net.

MECHANICAL ENGINEERING
Steam Engines and Boilers, etc.

Engineers' Sketch Book of Mechanical Movements. By T. W. Barber. Fifth edition, 3,000 illus., 355 pp., 8vo. (1906.) 10s. 6d. net.

The Repair and Maintenance of Machinery. By T. W. Barber. 417 illus., 476 pp., 8vo. (1895.) 10s. 6d.

The Science of Burning Liquid Fuel. By William Newton Best. 100 illus., 159 pp. 8vo. (1913.) 9s. net.

Practical Treatise on Mill Gearing. By T. Box. Fifth edition, 11 plates, 128 pp., crown 8vo. (1892.) 7s. 6d.

The Mechanical Engineers' Price Book. Edited by G. Brooks. 176 pp., pocket size (6-1/2 in. by 3-3/4 in. by 1/2 in. thick), red leather cloth. 4s. net.

Safety Valves. By R. H. Buell. Third edition, 20 illus., 100 pp., 18mo, boards. (New York, 1898.) 2s. net.

Machine Design. By Prof. W. L. Cathcart.

Part I. Fastenings. 123 illus., 291 pp., demy 8vo. (New York, 1903.) 12s. 6d. net.

Chimney Design and Theory. By W. W. Christie. Second edition, 54 illus., 192 pp., crown 8vo. (New York, 1902.) 12s. 6d. net.

Furnace Draft: its Production by Mechanical Methods. By W. W. Christie. 5 illus., 80 pp., 18mo, boards. (New York, 1906.) 2s. net.

The Stokers' Catechism. By W. J. Connor. 63 pp., limp. (1906.) 1s. net.

Treatise on the use of Belting for the Transmission of Power. By J. H. Cooper. Fifth edition, 94 illus., 399 pp., demy 8vo. (New York, 1901.) 12s. 6d. net.

The Steam Engine considered as a Thermo-dynamic Machine. By J. H. Cotterill. Third edition, 39 diagrams, 444 pp., 8vo. (1896.) 15s.

Fireman's Guide, a Handbook on the Care of Boilers. By K. P. Dahlstrom. Eleventh edition, fcap. 8vo. (S. & C. Series, No. 16.) (New York, 1906.) 1s. 6d. net.

Heat for Engineers. By C. R. Darling. Second edition, 110 illus., 430 pp., 8vo. (Finsbury Technical Manual.) (1912.) 12s. 6d. net.

Belt Driving. By G. Halliday. 3 folding plates, 100 pp., 8vo. (1894.) 3s. 6d.

Worm and Spiral Gearing. By F. A. Halsey. 13 plates, 85 pp., 18mo, boards. (New York, 1903.) 2s. net.

Commercial Efficiency of Steam Boilers. By A. Hanssen. Large 8vo, sewed. (1898.) 6d.

Corliss Engine. By J. T. Henthorn. Third edition, 23 illus., 95 pp., crown 8vo. (S. & C. Series, No. 23.) (New York, 1910.) 1s. 6d. net.

Liquid Fuel for Mechanical and Industrial Purposes. By E. A. Brayley Hodgetts. 106 illus., 129 pp., 8vo. (1890.) 5s.

Elementary Text-book on Steam Engines and Boilers. By J. H. Kinealy. Fourth edition, 106 illus., 259 pp., 8vo. (New York, 1903.) 8s. 6d. net.

Centrifugal Fans. By J. H. Kinealy. 33 illus., 206 pp., fcap. 8vo, leather. (New York, 1905.) 12s. 6d. net.

Mechanical Draft. By J. H. Kinealy. 27 original tables and 13 plates, 142 pp., crown 8vo. (New York, 1906.) 8s. 6d. net.

The A B C of the Steam Engine, with a description of the Automatic Governor. By J. P. Lisk. 6 plates, 8vo. (S. & C. Series, No. 17.) (New York, 1910.) 1s. 6d. net.

Valve Setting Record Book. By P. A. Low. 8vo, boards, 1s. 6d.

The Lay-out of Corliss Valve Gears. By S. A. Moss. Second edition, 3 plates, 108 pp., 18mo, boards. (New York, 1906.) 2s. net.

Steam Boilers, their Management and Working. By J. Peattie. Fifth edition, 35 illus., 230 pp., crown 8vo. (1906.) 4s. 6d. net.

Treatise on the Richards Steam Engine Indicator. By C. T. Porter. Sixth edition, 3 plates and 73 diagrams, 285 pp., 8vo. (1902.) 9s.

Practical Treatise on the Steam Engine. By A. Rigg. Second edition, 103 plates, 378 pp., demy 4to. (1894.) £1 5s.

Power and its Transmission. A Practical Handbook for the Factory and Works Manager. By T. A. Smith. 76 pp., fcap. 8vo. (1910.) 2s. net.

Slide Valve Simply Explained. By W. J. Tennant. Revised by J. H. Kinealy. 41 illus., 83 pp., crown 8vo. (New York, 1899.) 4s. 6d. net.

Shaft Governors. By W. Trinks and C. Hoosum. 27 illus., 97 pp., 18mo, boards. (New York, 1905.) 2s. net.

Treatise on the Design and Construction of Mill Buildings. By H. G. Tyrrell. 652 illus., 490 pp., 8vo. (New York, 1911.) 17s. net.

Slide and Piston Valve Geared Steam Engines. By W. H. Uhland. 47 plates and 314 illus., 155 pp. Two vols., folio, half morocco. (1882.) £1 16s.

How to run Engines and Boilers. By E. P. Watson. Fifth edition, 31 illus., 160 pp., 8vo. (New York, 1904.) 3s. 6d.

Position Diagram of Cylinder with Meyer Cut-off. By W. H. Weightman. On card. (New York.) 1s. net.

Practical Method of Designing Slide Valve Gearing. By E. J. Welch. 69 illus, 283 pp., crown 8vo. (1890.) 6s.

Elements of Mechanics. By T. W. Wright. Eighth edition, 215 illus., 382 pp., 8vo. (New York, 1909.) 10s. 6d. net.

METALLURGY
Iron and Steel Manufacture

Life of Railway Axles. By T. Andrews. 8vo, sewed. (1895.) 1s.

Microscopic Internal Flaws in Steel Rails and Propeller Shafts. By T. Andrews. 8vo, sewed. (1896.) 1s.

Microscopic Internal Flaws, Inducing Fracture in Steel. By T. Andrews. 8vo, sewed. (1896.) 2s.

Practical Alloying. A compendium of Alloys and Processes for Brassfounders, Metal Workers, and Engineers. By John F. Buchanan. 41 illus., 205 pp., 8vo. (New York, 1911.) 10s. 6d. net.

Brassfounders' Alloys. By J. F. Buchanan. 23 illus., viii + 129 pp., crown 8vo. (1905.) 4s. 6d. net.

The Moulder's Dictionary (Foundry Nomenclature). By J. F. Buchanan. New impression, 26 illus., viii + 225 pp., crown 8vo. (1912.) 3s. net.

American Standard Specifications for Steel. By A. L. Colby. Second edition, revised, 103 pp., crown 8vo. (New York, 1902.) 5s. net.

Galvanized Iron: its Manufacture and Uses. By J. Davies. 139 pp. 8vo. (1899.) 5s. net.

Management of Steel. By G. Ede. Seventh edition, 216 pp., crown 8vo. (1903.) 5s.

The Frodair Handbook for Ironfounders. 160 pp., 12mo. (1910.) 2s. net.

Manufacture of Iron and Steel. By H. R. Hearson. 21 illus., xii + 103 pp., 8vo. (1912.) 4s. 6d. net.

Cupola Furnace. By E. Kirk. Third edition, 106 illus., 484 pp., 8vo. (New York, 1910.) 15s. net.

Practical Notes on Pipe Founding. By J. W. Macfarlane. 15 plates, 148 pp., 8vo. (1888.) 12s. 6d.

Atlas of Designs concerning Blast Furnace Practice. By M. A. Pavloff. 127 plates, 14 in. by 10-1/2 in. oblong, sewed. (1902.) £1 1s. net.

Album of Drawings relating to the Manufacture of Open Hearth Steel. By M. A. Pavloff.

Part I. Open Hearth Furnaces. 52 plates, 14 in. by 10-1/2 in. oblong folio, in portfolio. (1904.) 12s. net.

Metallography Applied to Siderurgic Products. By H. Savoia. Translated by R. G. Corbet. 94 illus., 180 pp., crown 8vo. (1910.) 4s. 6d. net.

Modern Foundry Practice. By J. Sharp. Second edition, new impression, 272 illus., 759 pp., 8vo. (1911.) £1 1s. net.

Roll Turning for Sections in Steel and Iron. By A. Spencer. Second edition, 78 plates, 4to. (1894.) £1 10s.