SCIENTIFIC PUBLICATIONS. 11 



COREY. Water Supply Engineering. Fully illus- 

 trated. 8vo, cloth In Press. 



COOPER, W. R., M. A. Primary Batteries ; their 



Construction and Use. With numerouR figures and diagrams. 8vo, 

 cloth, illustrated net, $4.00 



CORNWALL, Prof. H. B. Manual of Blow-pipe An- 

 alysis, Qualitative and Quantitative. With a Complete System of 

 Determinative Mineralogy. 8vo, cloth, with many illustrations. .$2. 50 



COWELL, W. B. Pure Air, Ozone and Water; a 



Practical Treatise of their Utilization and Value in Oil, Grease, Soap, 

 Paint, Glue and other Industries. With tables and figures. 12mo, 

 cloth, illustrated net. $2.00 



CRAIG, B. F. Weights and Measures. An account of 



the Decimal System, with Tables of Conversion for Commercial and 

 Scientific Uses. Square 32mo, limp cloth 50 



CROCKER, F. B. Electric Lighting. A Practical Ex- 

 position of the Art. For use of Engineers, Students, and others inter- 

 ested in the Installation or Operation of Electrical Plants. Vol. I. 

 The Generating Plant Fourth Edition, revised. 8vo, cloth, illus- 

 trated $3.00 



Vol. II. Distributing Systems and Lamps. Second edition. 8vo, ol., 

 illustrated $3.00 



CROCKER, F. B., and S. S. WHEELER. The Practical 



Management of Dynamos and Motors. Fifth Edition, (Eleventh 

 thousand) revised and enlarged. With a special chapter by H. A. 

 Foster. 12mo, cloth, illustrated $1.00 



DAVIES, E. H. Machinery for Metalliferous Mines. 

 A Practical Treatise for Mining Engineers, Metallurgists and Man- 

 agers of Mines. With upwards of 400 illustrations. Second edition, 



rewritten and enlarged. 8vo, cloth net $8.00 



D. C. A Treatise on Metalliferous Minerals and 



Mining. Sirtli ilitinn, thoroughly revised and much enlarged by 

 his son. 8vo, cloth net, $5.00 



MINING MACHINERY... ..In Press. 



DAVIS, C., and B. F. BELL. Ferro-Concrete ; Its 

 Varieties and Applications in Modern Construction. 8vo, cloth, 

 illustrated In Press. 



DAY, CHARLES. The Indicator and its Diagrams. 

 With Chapters on Engine and Boiler Testing ; Including a Table of 

 Piston Constanta compiled by W. H. Fowler. 12mo, cloth. 125 

 illustrations $2.00 



