SIDEROLOGY: THE SCIENCE OF IRON (The Constitution of Iron Alloys and Slags). Translated from German of HANNS FREIHERR V. JUePTNER. 350 pp. Demy 8vo. Eleven Plates and Ten Illustrations. Price 10s. 6d. net. (Post free, 11s. home; 11s. 6d. abroad.) EVAPORATING, CONDENSING AND COOLING APPARATUS. Explanations, Formulae and Tables for Use in Practice. By E. HAUSBRAND, Engineer. Translated by A.C. WRIGHT, M.A. (Oxon.), B.Sc., (Lond.). With Twenty-one Illustrations and Seventy-six Tables. 400 pp. Demy 8vo. Price 10s. 6d. net. (Post free, 11s. home; 11s. 6d. abroad.) (The "Broadway" Series of Engineering Handbooks.) VOLUME I.--REINFORCED CONCRETE. By EWART S. ANDREWS, B.Sc. Eng. (Lond.). [_In the press._ VOLUME II.--GAS AND OIL ENGINES. [_In the press._ VOLUME III.--STRUCTURAL STEEL AND IRON WORK. [_In the press._ VOLUME IV.--TOOTHED GEARING. By G.T. WHITE, B.Sc. (Lond.). [_In the press._ VOLUME V.--STEAM TURBINES: Their Theory and Construction. [_In the press._ (Sanitary Plumbing, Electric Wiring, Metal Work, etc.) EXTERNAL PLUMBING WORK. A Treatise on Lead Work for Roofs. By JOHN W. HART, R.P.C. 180 Illustrations. 272 pp. Demy 8vo. Second Edition Revised. Price 7s. 6d. net. (Post free. 7s. 10d. home; 8s. abroad.) HINTS TO PLUMBERS ON JOINT WIPING, PIPE BENDING AND LEAD BURNING. Third Edition, Revised and Corrected, By JOHN W. HART, R.P.C. 184 Illustrations. 313 pp. Demy 8vo. Price 7s. 6d. net. (Post free, 8s. home; 8s. 6d. abroad.) SANITARY PLUMBING AND DRAINAGE. By JOHN W. HART. Demy 8vo. With 208 Illustrations. 250 pp. 1904. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.) ELECTRIC WIRING AND FITTING. By SYDNEY F. WALKER, R.N., M.I.E.E., M.I.Min.E., A.M.Inst.C.E., etc., etc. Crown 8vo. 150 pp. With Illustrations and Tables. Price 5s. net. (Post free, 5s. 3d. home; 5s. 6d. abroad.) THE PRINCIPLES AND PRACTICE OF DIPPING, BURNISHING, LACQUERING AND BRONZING BRASS WARE. By W. NORMAN BROWN. 48 pp. Crown 8vo. Price 3s. net. (Post free, 3s. 3d. home and abroad.) [_Just published._ THE DEVELOPMENT OF THE INCANDESCENT ELECTRIC LAMPS. By G. BASIL BARHAM, A.M.I.E.E. Illustrated. Demy 8vo. 196 pp. [_In the press._ _For contents of these books, see List I._ WIRING CALCULATIONS FOR ELECTRIC LIGHT AND POWER INSTALLATIONS. A Practical Handbook containing Wiring Tables, Rules, and Formulae for the Use of Architects, Engineers, Mining Engineers, and Electricians, Wiring Contractors and Wiremen, etc. By G. LUMMIS PATERSON. Crown 8vo. Twenty-two Illustrations. 100 pp. [_In the press._ A HANDBOOK ON JAPANNING AND ENAMELLING FOR CYCLES, BEDSTEADS, TINWARE, ETC. By WILLIAM NORMAN BROWN. 52 pp. and Illustrations. Crown 8vo. Price 2s. net. (Post free, 2s. 3d. home and abroad.) THE PRINCIPLES OF HOT WATER SUPPLY. By JOHN W. HART, R.P.C. With 129 Illustrations. 177 pp. Demy 8vo. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.) (Brewing and Botanical.)