12 SCIENTIFIC BOOKS PUBLISHED BY 



Slide Valve by Eccentrics, by Prof. 

 C. W. MacCord. 



4to. Illustrated. Cloth, $4.00. 



A PRACTICAL TREATISE ON THE SLIDE VALVE BY 

 ECCENTRICS, examining by methods, the action of the Eccen- 

 tric upon the Slide Valve, and explaining the practical proces- 

 ses of laying out the movements, adapting the valve for its 

 various duties in the steam-engine. For the use of Engineers, 

 Draughtsmen, Machinists, and Students of valve motions in 

 general. By 0. "W. MacCokd, A. M., Professor of Mechanical 

 Drawing, Stevens' Institute of Technology, Hoboken, N J. 



Stillman's Steam-Engine Indicator. 



12ino. Cloth. $1.00. 



THE STEAM-ENGINE INDICATOR, and the Improved Mano- 

 meter Steam and Vacuum Gauges ; their utility and application 

 By Paul Stillman. New edition. 



Bacon's Steam-Engine Indicator. 



12mo. Cloth. $1.00. Mor. $1.50. 



A TREATISE ON THE RICHARDS STiEAM-ENGINE IN- 

 DICATOR, with directions for its use. By Charles T. Pokier. 

 Revised, with notes and large additions as developed by Amer- 

 ican Practice, with an Appendix containing useful formulae and 

 rules for Engineers. By E. W. Bacon, M. E., Member of thu 

 American Society of Civil Engineers. Illustrated. Second Edition 



In this -work, Kr. Porter's book has heen taken as the basis, but TUx. Bacon 

 has adapted it to American Practice, and has conferred a great boon on 

 American Engineers. — Artisan. 



Bartol on Marine Boilers. 



8vo. Cloth. $1.50. 



TREATISE ON THE MARINE BOILERS OP THE UNITED 

 STATES. By H. B. Babtol. lUustrated. 



