Losses in Gold Amalgamation. With Notes on the Concentration of Gold and Silver Ores. With six plates. By W. McDermott and P. W. Duffield. 8vo, cloth, 5s.
A Guide for the Electric Testing of Telegraph Cables. By Col. V. Hoskiœr, Royal Danish Engineers. Third edition, crown 8vo, cloth, 4s. 6d.
The Hydraulic Gold Miners' Manual. By T. S. G. Kirkpatrick, M.A. Oxon. With 6 plates. Crown 8vo, cloth, 6s.
"We venture to think that this work will become a text-book on the important subject of which it treats. Until comparatively recently hydraulic mines were neglected. This was scarcely to be surprised at, seeing that their working in California was brought to an abrupt termination by the action of the farmers on the débris question, whilst their working in other parts of the world had not been attended with the anticipated success."—The Mining World and Engineering Record.
The Arithmetic of Electricity. By T. O'Conor Sloane. Crown 8vo, cloth, 4s. 6d.
The Turkish Bath: Its Design and Construction for Public and Commercial Purposes. By R. O. Allsop, Architect. With plans and sections. 8vo, cloth, 6s.
Earthwork Slips and Subsidences upon Public Works: Their Causes, Prevention and Reparation. Especially written to assist those engaged in the Construction or Maintenance of Railways, Docks, Canals, Waterworks, River Banks, Reclamation Embankments, Drainage Works, &c., &c. By John Newman, Assoc. Mem. Inst. C.E., Author of 'Notes on Concrete,' &c. Crown 8vo, cloth, 7s. 6d.
Gas and Petroleum Engines: A Practical Treatise on the Internal Combustion Engine. By Wm. Robinson, M.E., Senior Demonstrator and Lecturer on Applied Mechanics, Physics, &c., City and Guilds of London College, Finsbury, Assoc. Mem. Inst. C.E., &c. Numerous illustrations. 8vo, cloth, 14s.
Waterways and Water Transport in Different Countries. With a description of the Panama, Suez, Manchester, Nicaraguan, and other Canals. By J. Stephen Jeans, Author of 'England's Supremacy,' 'Railway Problems,' &c. Numerous illustrations. 8vo, cloth, 14s.
A Treatise on the Richards Steam-Engine Indicator and the Development and Application of Force in the Steam-Engine. By Charles T. Porter. Fourth Edition, revised and enlarged, 8vo, cloth, 9s.