CATALOGUE OF SCIENTIFIC BOOKS 



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. Wtik 

 numerous illustrations and maps^ 1250 pp„ super-royal 8vo, cloth, 

 2/. I2X. (>d, 



A Practical Treatise on Coal Mining. By George 



G. Andre, F.G.S., Assoc. Inst. C.E., Member of the Society of Engineers. 

 With 82 lithographic plates, 2 vols., royal 4to, cloth, 3/. I2J. 



Iron Roofs: Examples of Design, Description. Illus- 

 trated 'With 64 Working Drawings of Executed Roofs, By Arthur T. 

 Walmisley, Assoc. Mem. Inst C.E. Second edition, revised, imp. 4to, 

 half-morocco, 3/. 



A History of 'Electric Telegraphy ^ to the Year 1837. 



Chiefly compiled from Original Sources, and hitherto Unpublished Docu- 

 ments, by J. J. Fahie, Mem. Soc. of Tel. Engineers, and of the Inter- 

 national Society of Electricians, Paris. Crown 8vo, cloth, 9x. 



Spons' Information for Colonial Engineers. Edited 



by J. T. Hurst. Demy 8vo, sewed. 

 No. I, Ceylon. By Abraham Deane, C.E. 2j. 6d, 



Contents : 



Introductory Remarks— Natural Productions— Architecture and Engineering— Topo- 

 graphy, 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.L With 

 Map. 3^. 6d. 



Contents : 



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 Di&tances— Rates of Carriage, etc. 



No. 3. India. By F. C. Danvers, Assoc. Inst C.E. With Map. 41. 6d. 



Contents: 



. I*hyfaical Geography of India— Building Materials— Roads— Railways— Bridges— Irriea- 

 tion-River Works — Harbours -Ligh^^^^ 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, iZs. 



