Motion Study
A Method for Increasing the Efficiency of the Workman

D. VAN NOSTRAND COMPANY’S SHORT-TITLE CATALOG 13 Draper, C. H. Elementary Text-book of Light, Heat and Sound..............................................umo, i 00 Draper, C. H. Heat and the Principles of Thermo-dynamics, umo, 2 00 Dron, R. W. Mining Formulas............................ nmo, 1 00 Dubbel, H. High Power Gas Engines.......................8vo, *5 00 Dumesny, P., and Noyer, J. Wood Products, Distillates, and Extracts ...............................................8vo, *6 25 Duncan, W. G., and Penman, D. The Electrical Equipment of Collieries .............................................8vo, *6 75 Dunkley, W. G. Design of Machine Elements............ 2 vols. i2mo, each, *2 50 Dunstan, A. E., and Thole, F. B. T. Textbook of Practical Chemistry...............................................izmo, *1 40 Durham, H. W. Saws.......................................8vo, 2 50 Duthie, A. L. Decorative Glass Processes. (Westminster Series) ................................................ 8vo, *2 00 Dwight, H. B. Transmission Line Formulas..................8vo *2 00 Dyson, S. S. Practical Testing of Raw Materials..........8vo, *5 00 ----and Clarkson, S, S. Chemical Works...................8vo, 9 00 Eccles, W. H. Wireless Telegraphy and Telephony. .121x10, *8 80 Eck, J. Light, Radiation and Illumination. Trans, by Paul Hogner..................................................8vo, *2 50 Eddy, H. T. Maximum Stresses under Concentrated Loads, 8vo, i 50 Eddy, L. C. Laboratory Manual of Alternating Currents, I2H1O, O 50 Edelman, P. Inventions and Patents.......................umo *1 50 Edgcumbe, K. Industrial Electrical Measuring Instruments. 8vo, (In Press!) Edler, R. Switches and Switchgear. Trans, by Ph. Laubach. 8vo, *4 00 Eissier, M. The Metallurgy of Gold........................8vo, 9 00 ----The Metallurgy of Silver..............................8vo, 4 00 ----The Metallurgy of Argentiferous.......................Lead...................8vo, ®-<2$ ----------------------------------------------------------------------------------------A Handbook of Modern Explosives 8vo, 5 00 Ekin, T. C. Water Pipe and Sewage Discharge Diagrams folio, *3 00