D. VAN NOSTRAND COMPANY'S SHORT-TITLE CATALOG 21 



Newlands, J. Carpenters and Joiners* Assistant 



folio, half mor., 15 oo 



Nicol, G. Ship Construction and Calculations 8vo, *4 50 



Nipher, F. E. Theory of Magnetic Measurements i2mo, i oo 



Nisbet, H. Grammar of Textile Design 8vo, *3 oo 



Noll, A. How to Wire Buildings i2mo, i 50 



Nugent, E. Treatise on Optics i2mo, i 50 



O'Connor, H. The Gas Engineer's Pocketbook. . . i2mo, leather, 3 50 



Petrol Air Gas i2mo, *o 75 



Olsen, J. C. Text book of Quantitative Chemical Analysis ..8vo, *4 oo 

 Olsson, A. Motor Control, in Turret Turning and Gun Elevating. 



(U. S. Navy 'Electrical Series, No. i.) . ...i2mo, paper, *o 50 



Oudin, M. A. Standard Polyphase Apparatus and Systems . . 8vo, *3 'Do 



Palaz, A. Industrial "Photometry. Trans, by G. W. Patterson, 



Jr 8vo, *4 oo 



Pamely, C. Colliery Manager's Handbook 8vo, *io oo 



Parr, G. D. A. Electrical Engineering Measuring Instruments. 



8vo, *3 50 



Parry, E. J. Chemistry of Essential Oils and Artificial Per- 

 fumes 8vo, *5 oo 



Parry, E. J., and Coste, J. H. Chemistry of Pigments 8vo, *4 50 



Parry, L. A. Risk and Dangers of Various Occupations 8vo, *3 oo 



Parshall, H. F., and Hobart, H. M. Armature Windings .... 4to, *7 50 



Electric Railway Engineering 4to, *io oo 



Parshall, H. F., and Parry, E. Electrical Equipment of Tram- 

 ways (In.Press.) 



Parsons, S. J. Malleable Cast Iron 8vo, *2 50 



Passmore, A. C. Technical Terms Used in Architecture ...8vo, *3 50 



Patterson, D. The Color Printing of Carpet Yarns 8vo, *3 50 



Color Matching on Textiles 8vo, *3 oo 



The Science of Color Mixing 8vo, *3 oo 



Patton, H. B. Lecture Notes on Crystallography 8vo, *i 25 



Paulding, C. P. Condensation of Steam in Covered and Bare 



Pipes. 8vo, *2 oo 



Transmission of Heat through Cold-storage Insulation 



i2mo, *i oo 



Peirce, B. System of Analytic Mechanics 4to, 10 oo 



