_Spons’ Information for Colonial Engineers._ Edited by J. T. HURST. Demy 8vo, sewed.

No. 1, Ceylon. By ABRAHAM DEANE, C.E. 2_s._ 6_d._

Bad Drains; and How to Test Them: — Part 40

Introductory Remarks—Natural Productions—Architecture and Engineering—Topography, Trade, and Natural History—Principal Stations—Weights and Measures, etc., etc.

Bad Drains; and How to Test Them: — Part 40

No. 2. Southern Africa, including the Cape Colony, Natal, and the Dutch Republics. By HENRY HALL, F.R.G.S., F.R.C.I. With Map. 3_s._ 6_d._

Bad Drains; and How to Test Them: — Part 40

General Description of South Africa—Physical Geography with reference to Engineering Operations—Notes on Labour and Material in Cape Colony—Geological Notes on Rock Formation in South Africa—Engineering Instruments for Use in South Africa—Principal Public Works in Cape Colony: Railways, Mountain Roads and Passes, Harbour Works, Bridges, Gas Works, Irrigation and Water Supply, Lighthouses, Drainage and Sanitary Engineering, Public Buildings, Mines—Table of Woods in South Africa—Animals used for Draught Purposes—Statistical Notes—Table of Distances—Rates of Carriage, etc.

No. 3. India. By F. C. DANVERS, Assoc. Inst. C.E. With Map. 4_s._ 6_d._

Physical Geography of India—Building Materials—Roads—Railways—Bridges—Irrigation—River Works—Harbours—Lighthouse Buildings—Native Labour—The Principal Trees of India—Money—Weights and Measures—Glossary of Indian Terms, etc.

_A Practical Treatise on Casting and Founding_, including descriptions of the modern machinery employed in the art. By N. E. SPRETSON, Engineer. Third edition, with 82 _plates_ drawn to scale, 412 pp., demy 8vo, cloth, 18_s._

_Steam Heating for Buildings_; or, Hints to Steam Fitters, being a description of Steam Heating Apparatus for Warming and Ventilating Private Houses and Large Buildings, with remarks on Steam, Water, and Air in their relation to Heating. By W. J. BALDWIN. _With many illustrations._ Fourth edition, crown 8vo, cloth, 10_s._ 6_d._

_The Depreciation of Factories and their Valuation._ By EWING MATHESON, M. Inst. C.E. 8vo, cloth, 6_s._

_A Handbook of Electrical Testing._ By H. R. KEMPE, M.S.T.E. Third edition, revised and enlarged, crown 8vo, cloth, 15_s._

_Gas Works_: their Arrangement, Construction, Plant, and Machinery. By F. COLYER, M. Inst. C.E. _With 31 folding plates_, 8vo, cloth, 24_s._