PUBLISHED BY E. & F. N. SPON. 



The Builder s Clerk : a Guide to the Management 



of a Builder's Business. By THOMAS BALES. Fcap. 8vo, cloth, i s. 6d. 



Our Factories, Workshops, and Warehouses: their 



Sanitary and Fire-Resisting Arrangements. By B. H. THWAITE, Assoc. 

 Mem. Inst. C.E. With 183 wood engravings, crown 8vo, cloth, gs. 



Gold : Its Occurrence and Extraction, embracing the 



Geographical and Geological Distribution and the Mineralogical Charac- 

 ters 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, 

 2/. 1 2s. 6d. 



Iron Roofs : Examples of Design, Description. Illus- 

 trated ivith 64 Working Drawings of Executed Roofs. By ARTHUR T. 

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

 half-morocco, 3/. 3-r. 



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Chiefly compiled from Original Sources, and hitherto Unpublished Docu- 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, 9-r. 



Spans' Information for Colonial Engineers. Edited 



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

 No. i, Ceylon. By ABRAHAM DEANE, C.E. 2s. 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.I. With 

 Map. 3^. 6d. 



CONTENTS : 



Formation in South Africa Engineering r _, 



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. DAN VERS, Assoc. Inst. C.E. With Map. 4^.6^. 



CONTENTS : 



Physical Geography of India Building Materials Roads Railways Bridges Irriga- 

 tion River Works Harbours Lighthouse Buildings Native Labour The Principal 

 Trees of India Money Weights and Measures Glossary of Indian Terms, etc. 



