Motion Study
A Method for Increasing the Efficiency of the Workman

D. VAN NOSTRAND COMPANY’S SHORT-TITLE CATALOG 43 Thornley, T. Cotton Combing Machines.....................8vo, *3 00 ----Cotton Waste ......................................8v0> *4 50 ----Cotton Spinning ...................................8v0’ First Year .............................................. 2 00 Second Year ............................................... 4 25 Third Year ............................................... '3 5° Thurso, J. W. Modern Turbine Practice....................8vo, *4 00 Tidy C Meymott. Treatment of Sewage. (Science Series ’ No. 94.) ........................................If5m0> 0 50 Tillmans, J. Water Purification and Sewage Disposal. Trans, by Hugh S. Taylor.......................................8v0> *2 00 Tinney, W. H. Gold-mining Machinery......................8vo, *3 00 Titherley, A. W. Laboratory Course of Organic Chemistry.8vo, *2 00 Tizard, H. T. Indicators..................................(In Press.} Toch, M. Chemistry and Technology of Paints..............8vo, *4 00 ____Materials for Permanent Painting..................121110, *2 00 Tod, J., and McGibbon, W. C. Marine Engineers’ Board of Trade Examinations ...........................8v0> *2 00 Todd, J., and Whall, W. B. Practical Seamanship.......8vo, 8 00 Tonge, J. Coal. (Westminster Series.)....................8vo, *200 Townsend, F. Alternating Current Engineering. .8vo, boards, -o 75 Townsend, J. Ionization of Gases by Collision.........8vo, *1 25 Transactions of the American Institute of Chemical Engineers. Eight volumes now ready. Vols. I. to IX., 1908-1916, 8vof each, ¥6 00 Vol. X. (Zn Press.} Traverse Tables. (Science Series No. 115O..............l6m0’ 0 5° mor., i 00 Treiber, E. Foundry Machinery. Trans, by C. Salter.. 121110, fr 50 Trinks/ W., and Konsum, C. Shaft Governors. (Science Series No. 122.)...............................i6mo, o 50 Trowbridge D. C. Handbook for Engineering Draughtsmen. ’ {In Press.} Trowbridge W. P. Turbine Wheels. (Science Series No. 44.) ’ i6mo, o 50 Tucker, J. H. A Manual of Sugar Analysis................8vo, 3 50 Tunner, P. A. Treatise on Roll-turning. Trans, by J. B. pearge.....................8vo text and folio atlas, 10 00