PUBLISHED 1JY E. & F. N. SPON. 



Dynamo- Electric Machinery : A Manual for Students 



of Electro-technics. By SILVANUS P. THOMPSON, B.A., D.Sc., Professor 

 of Experimental Physics in University College, Bristol, etc., etc. Third 

 edition, illustrated, 8vo, cloth, i6j. 



r radical Geometry, Perspective, and Engineering 



Drawing; a Course of Descriptive Geometry adapted to the Require- 

 ments of the Engineering Draughtsman, including the determination of 

 cast shadows and Isometric Projection, each chapter being followed by 

 numerous examples; to which are added rules for Shading, Shade-lining, 

 etc., together with practical instructions as to the Lining, Colouring, 

 Printing, and general treatment of Engineering Drawings, with a chapter 

 on drawing Instruments. By GEORGE S. CLARKE, Capt. R.E. Second 

 edition, with 2 i plates. 2 vols., cloth, los. (xt. 



The Elements of Graphic Statics. By Professor 



KARL VON OTT, translated from the German by G. S. CLARKE, Capt. 

 K.K., Instructor in Mechanical Drawing, Royal Indian Engineering 

 College. With 93 illustrations, crown 8vo, cloth, 5*. 



A Practical Treatise on the Manufacture and Distri- 

 bution of Coal Gas. By WILLIAM RICHARDS. Demy 410, with numerous 

 wood engravings and 29 plates, cloth, 28s. 



SYNOPSIS OF CONTENTS : 



Introduction History of Gas Lighting Chemistry of Gas Manufacture, by Lewis 

 Thompson, Ksq., M.K.C.S. Coal, with Analyses, by J. Patcrson, Lewis Thompson, and 

 G. R. Hislop, Esqrs. Retorts, Iron and Clay Retort Setting Hydraulic Main Con- 

 densers Rxmuicten Washers and Scrubbers Purifiers Purification History of Gas 

 Holder Tanks, lirick and Stone, Composite, Concrete, Cast-iron, Compound Annular 

 Wrpught-iron Specifications Gas Holders Station Meter Governor Distribution 

 Mains Gas Mathematics, or Formula: for the Distribution of Gas, by Lewis Thompson, Esq. 

 Services Consumers' Meters Regulators Burners Fittings Photometer Carburization 

 of Gas Air Gas and Water Gas Composition of Coal Gas, by Lewis Thompson, Ksq. 

 Analyses of Gas Influence of Atmospheric Pressure and Temperature on Gas Residual 

 Products Appendix Description of Retort Settings, Buildings, etc., etc. 



The New Formula for Mean Velocity of Disc/iarge 



of Rivers and Canals. By W. R. KUTTER. Translated from articles in 

 the ' Cultur-Ingenieur,' by Lowis D'A. JACKSON, Assoc. Inst. C.E. 

 8vo, cloth, I2J. (>d. 



The Practical Millwright and Engineers Ready 



Reckoner; or Tables for finding Lie diameter and power of cog-wheels, 

 diameter, weight, and power of shafts, diameter and strength of bolts, etc. 

 By THOMAS DIXON. Fourth edition, 12010, cloth, 3-r. 



Tin: Describing the Chief Methods of Mining, 



Dressing and Smelting it abroad ; with Notes upon Arsenic, Bismuth and 

 Wolfram. By ARTHUR G. CHARLBTON, Mem. American Inst. of 

 Mui'.ng Engineers. With plates, 8vo, cloth, 12s. 6d. 



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