Gold: Its Occurrence and Extraction, embracing the Geographical and Geological Distribution and the Mineralogical Characters of Gold-bearing rocks; the peculiar features and modes of working Shallow Placers, Rivers, and Deep Leads; Hydraulicing; the Reduction and Separation of Auriferous Quartz; the treatment of complex Auriferous ores containing other metals; a Bibliography of the subject and a Glossary of Technical and Foreign Terms. By Alfred G. Lock, F.R.G.S. With numerous illustrations and maps, 1250 pp., super-royal 8vo, cloth, 2l. 12s. 6d.
A Practical Treatise on Coal Mining. By George G. André, F.G.S., Assoc. Inst. C.E., Member of the Society of Engineers. With 82 lithographic plates. 2 vols., royal 4to, cloth, 3l. 12s.
Iron Roofs: Examples of Design, Description. Illustrated with 64 Working Drawings of Executed Roofs. By Arthur T. Walmisley, Assoc. Mem. Inst. C.E. Imp. 4to, half-morocco, £2 12s. 6d.
A History of Electric Telegraphy, to the Year 1837. Chiefly compiled from Original Sources, and hitherto Unpublished Documents, by J. J. Fahie, Mem. Soc. of Tel. Engineers, and of the International Society of Electricians, Paris. Crown 8vo, cloth, 9s.
Spons’ Information for Colonial Engineers. Edited by J. T. Hurst. Demy 8vo, sewed.
No. 1, Ceylon. By Abraham Deane, C.E. 2s. 6d.
Contents:
Introductory Remarks—Natural Productions—Architecture and Engineering—Topography, Trade, and Natural History—Principal Stations—Weights and Measures, etc., etc.
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. 3s. 6d.
Contents: