D. VAN NOSTRAND COMPANY'S SHORT-TITLE CATALOG 13 



Hay, A. Alternating Currents. . 8vo, *2 50 



Principles of Alternate-current Working i2mo, 2 oo 



Electrical Distributing Networks and Distributing Lines.Svo, *3 50 



Continuous Current Engineering 8vo, *2 50 



Heap, Major D. P. Electrical Appliances .... 8vo, 2 oo 



Heaviside, 0. Electromagnetic Theory. Two volumes. 



8vo, each, *5 oo 



Heck, R. C. H. Stearn-Engine and Other Steam Motors. Two 

 Volumes. 



Vol. I. Thermodynamics and the Mechanics 8vo, *3 50 



Vol. II. Form, Construction and Working 8vo, *5 oo 



~ Abridged edition of above volumes (Elementary) 



8vo (In Preparation) 



Notes on Elementary Kinematics 8vo, boards, *i oo 



Graphics of Machine Forces 8vo, boards, *i oo 



Hedges, K. Modern Lightning Conductors 8vo, 3 oo 



Heermann, P. Dyers* Materials. Trnas. by A. C. Wright. i2mo, *2 50 

 Hellot, Macquer and D'Apligny. Art of Dyeing Wool, Silk and 



Cotton 8vo, *2 oo 



Henrici, O. Skeleton Structures 8vo, i 50 



Hermann, F. Painting on Glass and Porcelain 8vo, *3 50 



Hermann, G. The Graphical Statics of Mechanism. Trans. 



by A. P. Smith i2mo, 2 oo 



Herzfeld, J. Testing of Yarns and Textile Fabrics , .8vo, *3 50 



Hildebrandt, A. Airships, Past and Present 8vo, *3 50 



Hill, J. W. The Purification of Public Water Supplies. New 



Edition (In Press.) 



Interpretation of Water Analysis (In Press.) 



Hiroi, I. Statically-Indeterminate Stresses. i2mo, *2 oo 



Hirshfeld, C. F. Engineering Thermodynamics. (Science 



Series.) i6mo, o 50 



Hobart, H. M. Heavy Electrical Engineering.. 8vo, *4 50 



Electricity 8vo, *2 oo 



Electric Trains 8vo, *2 50 



Hobbs, W. R. P. The Arithmetic of Electrical Measurements 



i2mo, o 50 



Hoff, J. N. Paint and Varnish Facts and Formulas. .... i2mo, *3 oo 

 Hoff, Com.W. B. The Avoidance of Collisions at Sea. i6mo, mor., o 75 



Hole, W. The Distribution of Gas 8vo, *7 50 



