12 SCIENTIFIC BOOKS PUBLISHED BY 



Slide Valve by Eccentrics, by Prof. 

 C, W. MacCord. 



4to. Illustrated. Cloth, $4.00. 



A PEACTICAL TEEATISE ON THE SLIDE YALVE BY 

 ECCENTEICS, 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. &quot;W. MACCORD, A. M., Professor of Mechanical 

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



Stillman s Steam-Engine Indicator. 



12mo. 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 TEEATISE ON THE EICHAEDS STEAM-ENGINE IN 

 DICATOR, with directions for its use. By CHARLES T. PORTER. 

 Eevised, 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 thf 

 American Society of Civil Engineers. Illustrated. Second Edition 



In this work, Mr. Porter s book has been taken as the basis, but Mr. Bacon 

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

 American Engineers. Artiaan. 



Bartol on Marine Boilers. 



8vo. Cloth. $1.50. 



TEEATISE ON THE MAEINE BOILEES OF THE UNITED 

 STATES. By H. B. BARTOL. Illustrated. 



