Part 15

=ROGERS, ALLEN= (Editor). =Industrial Chemistry.= A manual for the student and manufacturer. Second Edition, thoroughly revised and enlarged. Written by a staff of eminent specialists. 304 illustrations, 6-1/2 x 9-3/4. cloth. 1026 pp. =net, $5.00=

=ROHLAND, PAUL. The Colloidal and Crystalloidal State of Matter.= Translated by W. J. Britland and H. E. Potts. 12mo. cloth. 54 pp. =net, $1.25=

=ROTH, W. A. Exercises in Physical Chemistry.= Authorized translation by A. T. Cameron. 49 illustrations. 8vo. cloth. 208 pp. =net, $2.00=

=SCHERER, R. Casein: Its Preparation and Technical Utilization.= Translated from the German by Charles Salter. Second Edition, revised and enlarged. Illustrated. 8vo. cloth. 196 pp. =net, $3.00=

=SCHIDROWITZ, P. Rubber. Its Production and Industrial Uses.= Plates, 83 illus. 8vo. cloth. 320 pp. =net, $5.00=

=SCHWEIZER, V. Distillation of Resins, Resinate Lakes and Pigments.= Illustrated. 8vo. cloth. 183 pp. =net, $3.50=

=SCOTT, W. W. Qualitative Chemical Analysis.= A laboratory manual. Second Edition, thoroughly revised. Illus. 8vo. cloth. 180 pp. =net, $1.50=

=SCUDDER, HEYWARD. Electrical Conductivity and Ionization Constants of Organic Compounds.= 6 x 9. cloth. 575 pp. =net, $3.00=

=SEARLE, ALFRED B. Modern Brickmaking.= 260 illustrations. 8vo. cloth. 449 pp. =net, $5.00=

=—— Cement, Concrete and Bricks.= 113 illustrations. 5-1/2 x 8-1/4. cloth. 415 pp. =net, $3.00=

=SEIDELL, A. Solubilities of Inorganic and Organic Substances.= A handbook of the most reliable quantitative solubility determinations. Second Printing, corrected. 8vo. cloth. 367 pp. =net, $3.00=

=SENTER, G. Outlines of Physical Chemistry.= Second Edition, revised. Illus. 12mo. cloth. 401 pp. =$1.75=

=—— A Text-book of Inorganic Chemistry.= 90 illustrations. 12mo. cloth. 595 pp. =net, $1.75=

=SEXTON, A. H. Fuel and Refractory Materials.= Second Ed., revised. 104 illus. 12mo. cloth. 374 pp. =net, $2.00=

=—— Chemistry of the Materials of Engineering.= Illus. 12mo. cloth. 344 pp. =net, $2.50=

=SIMMONS, W. H., and MITCHELL, C. A. Edible Fats and Oils.= Their composition, manufacture and analysis. Illustrated. 8vo. cloth. 164 pp. =net, $3.00=

=SINDALL, R. W. The Manufacture of Paper.= 58 illus. 8vo. cloth. 285 pp. (Van Nostrand’s Westminster Series.) =net, $2.00=

=SINDALL, R. W., and BACON, W. N. The Testing of Wood Pulp.= A practical handbook for the pulp and paper trades. Illus. 8vo. cloth. 150 pp. =net, $2.50=

=SMITH, J. C. The Manufacture of Paint.= A manual for paint manufacturers, merchants and painters. Second Edition, revised and enlarged. 80 illustrations. 5-1/2 x 8-3/4. cloth. 286 pp. =net, $3.50=

=SMITH, W. The Chemistry of Hat Manufacturing.= Revised and edited by Albert Shonk. Illustrated. 12mo. cloth. 132 pp. =net, $3.00=

=SOUTHCOMBE, J. E. Chemistry of the Oil Industries.= Illus. 8vo. cloth. 209 pp. =net, $3.00=

=SPEYERS, C. L. Text-book of Physical Chemistry.= 20 illustrations. 8vo. cloth. 230 pp. =net, $2.25=

=SPIEGEL, L. Chemical Constitution and Physiological Action.= Translated by C. Luedeking and A. C. Boynton. In Press.

=STEVENS, H. P. Paper Mill Chemist.= 67 illustrations. 82 tables. 16mo. cloth. 280 pp. =net, $2.50=

=SUDBOROUGH, J. J., and JAMES, J. C. Practical Organic Chemistry.= 92 illustrations. 12mo. cloth. 394 pp. =net, $2.00=

=TERRY, H. L. India Rubber and Its Manufacture.= 18 illustrations. 8vo. cloth. 303 pp. (Van Nostrand’s Westminster Series.) =net, $2.00=

=TITHERLEY, A. W. Laboratory Course of Organic Chemistry, Including Qualitative Organic Analysis.= Illustrated. 8vo. cloth. 235 pp. =net, $2.00=

=TOCH, M. Chemistry and Technology of Mixed Paints.= New Edition. In Preparation.