D. VAN NOSTRAND COMPANY 



Whitham. Steam Engine Design. For the use of Mechanical Engi- 

 neers, Students, and Draughtsmen. 3d edition, revised. With 210 

 illustrations. 8vo. New York, 1902. $5.00 



TRANSMISSION OF POWER, BELTING, ETC. 



Kerr, E. W,, M.E. Power, and Power Transmission. A 'Series of 

 Lectures delivered to Students, on the Elementary Principles of 

 Engineering. Containing numerous full-page Diagrams, Figures 

 and Tables. Illustrated. 8vo, cloth. New York, 1902. $2.00 



Toothed Gearing. A Practical Hand-Book for Offices and Workshops. 

 By a Foreman Pattern Maker. 184 illustrations, tamo. London, 

 1892. $2.50 



Unwin. On the Development and Transmission of Power from Cen- 

 tral Stations. Being the Howard Lectures delivered at the Society 

 of Arts in 1893. Illustrated. 8vo, New York, 1894, $3.50 



VALVES AND VALVE GEARS. 



Auchincloss. Practical Application of the Slide-Valve and Link- 

 Motion to Stationary, Portable, Locomotive, and Marine Engines, 

 with new and simple methods for proportioning the parts. Illus- 

 trated. I4th edition, revised and enlarged. 8vo. New York, 

 1901. $2.00 



Bankson. Slide Valve Diagrams. A French Method of Obtaining 

 Slide Valve Diagrams. 8 Plates. i6mo. New York, 1892. $0.50 



Begtrup, Julius. Slide Valve and its Functions. With special refer- 

 ence to modern Practice in the United States. With many Dia- 

 grams. Illustrated. 8vo, cloth. $2.00 



Buel. Safety Valves. 3d edition. i6mo, boards. New York, 

 1898. $0.50 



Halsey. Slide Valve Gears ; an explanation of the Action and Con- 

 struction of plain and cut-off Slide Valves. Analysis by the Bilgram 

 Diagram. 79 illustrations. 7th edition, revised and enlarged, 

 ismo. New York, 1901. $1.50 



Worm and Spiral Gearing. With Illustrations and Diagrams. 



Van Nostrand's Science Series, No. 116.) $0.50 



