20 HENRY CAREY BAIRD & CO.'S CATALOGUE. 



Draughtsmen, Engineers, the General Steam-using Public, and for th 

 Use of Science Schools and Classes. By SAMUEL NICHOLLS. Illus. 

 trated by sixteen plates, I2mo. ..... $2.50 



NICHOLSON. A Manual of the Art of Bookbinding : 



Containing full instructions in the different Branches of Forwarding, 

 Gilding, and Finishing. Also, the Art of Marbling Book-edges and 

 Paper. By JAMES B. NICHOLSON. Illustrated. I2mo., cloth $2.25 



NICOLLS. The Railway Builder: 



A Hand-Book for Estimating the Probable Cost of American Rail* 

 way Construction and Equipment. By WILLIAM J. NICOLLS, Civil 

 Engineer. Illustrated, full bound, pocket-book form . $2.00 



NORMANDY. The Commercial Handbook of Chemical An- 

 alysis : 



Or Practical Instructions for the Determination of the Intrinsic 01 

 Commercial Value of Substances used in Manufactures, in Trades, 

 and in the Arts. By A. NORMANDY. New Edition, Enlarged, and 

 to a great extent rewritten. By HENRY M. NOAD, Ph.D., F.R.S., 

 thick I2mo $5.00 



NORRIS. A Handbook for Locomotive Engineers and Ma- 

 chinists : 



Comprising the Proportions and Calculations for Constructing Loco- 

 motives; Manner of Setting Valves; Tables cf Squares, Cubes, Areas, 

 etc., etc. By SEPTIMUS NORRIS, M. E. New edition. Illustrated, 



12010. $1.50 



NYSTRGM. A New Treatise on Elements of Mechanics : 



Establishing Strict Precision in the Meaning of Dynamical Terms : 

 accompanied with an Appendix on Duodenal Arithmetic and Me- 

 trology. By JOHN W. NYSTROM, C. E. Illustrated. 8vo. $2.00 



NYSTROM. On Technological Education and the Construc- 

 tion of Ships and Screw Propellers : 



For Naval and Marine Engineers. By JOHN W. NYSTROM, late 

 Acting Chief Engineer, U. S. N. Second edition, revised, with addi- 

 tional matter. Illustrated by seven engravings. I2mo. . $1.50 



O'NEILL. A Dictionary of Dyeing and Calico Printing: 



Containing a brief account of all the Substances and Processes in 

 use in the Art of Dyeing and Printing Textile Fabrics ; with Practical 

 Receipts and Scientific Information. By CHARLES O'NEILL, Analy- 

 tical Chemist. To which is added an Essay on Coal Tar Colors and 

 their application to Dyeing and Calico Printing. By A. A. FESQUET; 

 Chemist and Engineer. With an appendix on Dyeing and Calico 

 Printing, as shown at the Universal Exposition, Paris, 1867- 8vo. 

 491 pages . $3.50 



ORTON. Underground Treasures-. 



How and Where to Find Them. A Key for the Ready Determination 

 of ail the Useful Minerals within the United States. By JAMES 

 ORTON, A.M., Late" Professor of Natural History in Vassar College, 

 >J. Y.; Cor. Mem. of the Academy of Natural Sciences, Philadelphia, 

 and of the Lyceum of Natural History, New York ; author of the 

 " Andes and the Amazon," etc. A New Edition, with Additions. 

 Illustrated . r l. 



