Motion Study
A Method for Increasing the Efficiency of the Workman

D. VAN NOSTRAND COMPANY^ SHORT-TITLE CATALOG 33 Petit, G. White Lead and Zinc White Paints................8vo, *2 50 Petit, R. How to Build an Aeroplane. Trans, by T. O’B. Hubbard, and J. H. Ledeboer......................8vo, *1 50 Pettit, Lieut. J. S. Graphic Processes. (Science Series No. 76.) i6mo, o 50 Philbrick, P. H. Beams and Girders. (Science Series No. 88.) i6mo, Phillips, J. Gold Assaying.................................8vo, *3 75 ----Dangerous Goods........................................8vo, 3 50 Phin, J. Seven Follies of Science..........................umo, *1 25 Pickworth, C. N. The Indicator Handbook. Two Volumes I2mo, each, 1 50 ----Logarithms for Beginners....................umo, boards, o 50 ----The Slide Rule.........................................nmo, x 50 Pilcher, R. B., and Butler-Jones, F. What Industry Owes to Chemical Science.......................................izmo, 1 50 Plattner’s Manual of Blowpipe Analysis. Eighth Edition, re- vised. Trans, by H. B. Cornwall..................8vo, *4 00 Plympton, G.W. The Aneroid Barometer. (Science Series.).i6mo, o 50 -----How to become an Engineer. (Science Series No. 100.) i6mo, o 50 ----Van Nostrand’s Table Book. (Science Series No. 104). i6mo, 0 50 Pochet, M. L. Steam Injectors. Translated from the French. (Science Series No. 29.)........................i6mo, o 50 Pocket Logarithms to Four Places. (Science Series.).....i6mo, o 50 leather, 1 00 Polleyn, F. Dressings and Finishings for Textile Fabrics.8vo, *4 25 Pope, F. G. Organic Chemistry........................i2ino, *2 50 Pope, F. L. Modern Practice of the Electric Telegraph.. . 8vo, 1 50 Popplewell, W. C. Prevention of Smoke..................8vo, *4 25 ____.Strength of Materials.......................'....8vo, *2)50 Porritt B. D. The Chemistry of Rubber. (Chemical Mono- ’ graphs, No. 3-)..............................I2mo> *T 00 Porter, J. R. Helicopter Flying Machine..............i2mo, *1 50 Potts, H. E. Chemistry of the Rubber Industry. (Outlines of Industrial Chemistry.).........................8vo, *2 50 Practical Compounding of Oils, Tallow and Grease.......8vo, *4 25