D. VAN NOSTRAND. 39 



Stuart's Civil and Military Engineer- 

 ing of America. 



8vo. Illustrated. Cloth. $5.00. 



THE CIVIL AND MILITAEY ENGINEEKS OF AMEEICA. 

 By General CHARLES B. STUART, Author of " Naval Dry Docks 

 of the United States," etc., etc. Embellished with nine finely 

 executed portraits on steel of eminent engineers, and illustrated 

 by engravings of some of the most important and original works 

 constructed in America. 



Containing sketches of the Life and "Works of Major Andrew Ellicott, 

 James Geddes (with Portrait^ Benjamin Wright (with Portrait), Canvass} 

 White (with Portrait), David Stanhope Bates, Nathan S. Roberts, Gridley 

 Bryant (with Portrait), General Joseph G. Swift, Jesse L. Williams (with 

 Portrait), Colonel William McRee, Samuel H. Kneass, Captain John Childe 

 with Portrait? 1 , Frederick Harbach, Major David Bates Douglas (with Por- 

 trait), Jonathan Knight, Benjamin H. Latrobe (with Portrait), Colonel Char- 

 les Ellet, Jr. ^with Portrait), Samuel Forrer, William Stuart Watson, John. 

 A. Roebling. 



Alexander's Dictionary of Weights 

 and Measures. 



8vo. Cloth. $3.50. 



UNIVERSAL DICTIONABY OF WEIGHTS AND MEAS- 

 URES, Ancient and Modern, reduced to the standards of the 

 United States of America. By J. H. ALEXANDER. New edition. 

 1vol. 



" As a standard work of reference, this book should be in every library ; it 

 is one which we have long wanted, and it will save much trouble and re- 

 search." Scientific American. 



Gouge on Ventilation. 



Third Edition Enlarged* 



8vo. Cloth. $2.00. 



NEW SYSTEM OF VENTILATION, which has been thoroughly 

 tested under the patronage of many distinguished persons. By 

 HENRY A. GOUGE, with many illustrations. 



