Part 12

=CROSS, C. F., BEVAN, E. J., and SINDALL, R. W. Wood Pulp and Its Uses.= With the collaboration of W. N. Bacon. 30 illustrations. 12mo. cloth. 281 pp. (Van Nostrand’s Westminster Series.) =net, $2.00=

=d’ALBE, E. E. F. Contemporary Chemistry.= A survey of the present state, methods, and tendencies of chemical science. 12mo. cloth. 172 pp. =net, $1.25=

=DANBY, ARTHUR. Natural Rock Asphalts and Bitumens.= Their Geology, History, Properties and Industrial Application. Illustrated. 12mo. cloth. 254 pp. =net, $2.50=

=DEERR, N. Cane Sugar.= 280 illustrations. 6-1/2 x 9-3/4. cloth. 608 pp. =net, $7.00=

=DUMESNY, P., and NOYER, J. Wood Products, Distillates and Extracts.= Translated by D. Grant. 103 illustrations. 8vo. cloth. 320 pp. =net, $4.50=

=DUNSTAN, A. E., and THOLE, F. B. A Text-book of Practical Chemistry for Technical Institutes.= 52 illustrations. 12mo. cloth. 345 pp. =net, $1.40=

=DYSON, S. S., and CLARKSON, S. S. Chemical Works, Their Design, Erection, and Equipment.= 80 illustrations, 9 folding plates. 8vo. cloth. 220 pp. =net, $7.50=

=ELIOT, C. W., and STORER, F. H. A Compendious Manual of Qualitative Chemical Analysis.= Revised with the co-operation of the authors, by William R. Nichols. Twenty-second Edition, newly revised by W. B. Lindsay. Ill. 12mo. cloth. 205 pp. =net, $1.25=

=ELLIS, C. Hydrogenation of Oils, Catalysis and Catalyzers, and the Generation of Hydrogen.= 145 ill. 6 x 9. cloth. 350 pp. =net, $4.00=

=ENNIS, WILLIAM D. Linseed Oil and Other Seed Oils.= An industrial manual. 88 illustrations. 8vo. cloth. 336 pp. =net, $4.00=

=ERMEN, W. F. A. The Materials Used in Sizing.= Their chemical and physical properties, and simple methods for their technical analysis and valuation. Illustrated. 12mo. cloth. 130 pp. =net, $2.00=

=FAY, IRVING W. The Chemistry of the Coal-tar Dyes.= 8vo. cloth. 473 pp. =net, $4.00=

=FERNBACH, R. L. Chemical Aspects of Silk Manufacture.= 12mo. cloth. 84 pp. =net, $1.00=

=—— Glue and Gelatine.= A practical treatise on the methods of testing and use. Illustrated. 8vo. cloth. 208 pp. =net, $3.00=

=FISCHER, E. Introduction to the Preparation of Organic Compounds.= Translated from the new (eighth) German edition by R. V. Stanford. Illustrated. 12mo. cloth. 194 pp. =net, $1.25=

=FOYE, J. C. Chemical Problems.= Fourth Edition, revised and enlarged. 16mo. cloth. 145 pp. (Van Nostrand Science Series, No. 69.) =$0.50=

=FRANZEN, H. Exercises in Gas Analysis.= Translated from the first German edition, with corrections and additions by the author, by Thomas Callan. 30 diagrams. 5 x 7-1/4. cloth. 127 pp. =net, $1.00=

=FRITSCH, J. The Manufacture of Chemical Manures.= Translated from the French, with numerous notes, by Donald Grant. 69 illus., 108 tables. 8vo. cloth. 355 pp. =net, $4.00=

=GROSSMANN, J. Ammonia and Its Compounds.= Illustrated. 12mo. cloth. 151 pp. =net, $1.25=

=HALE, WILLIAM J. Calculations in General Chemistry.= With definitions, explanations and problems. Second Edition, revised. 12mo. cloth. 185 pp. =net, $1.00=

=HALL, CLARE H. Chemistry of Paints and Paint Vehicles.= 8vo. cloth. 141 pp. =net, $2.00=

=HILDITCH, T. P. A Concise History of Chemistry.= 16 diagrams. 12mo. cloth. 273 pp. =net, $1.25=

=HOPKINS, N. M. Experimental Electrochemistry: Theoretically and Practically Treated.= New Edition. In Press.

=HOULLEVIGUE, L. The Evolution of the Sciences.= 8vo. cloth. 377 pp. =net, $2.00=

=HÜBNER, JULIUS. Bleaching and Dyeing of Vegetable Fibrous Materials.= 95 illus. (many in two colors). 8vo. cloth. 457 pp. =net, $5.00=

=HUDSON, O. F. Iron and Steel.= An introductory textbook for engineers and metallurgists. With a section on Corrosion by Guy D. Bengough. 47 illus. 8vo. cloth. 184 pp. =net, $2.00=

=HURST, GEO. H. Lubricating Oils, Fats and Greases.= Their origin, preparation, properties, uses, and analysis. Third Edition, revised and enlarged, by Henry Leask. 74 illus. 8vo. cloth. 405 p. =net, $4.00=

=HURST, G. H., and SIMMONS, W. H. Textile Soaps and Oils.= Second Edition, revised and partly rewritten. 11 illustrations. 5-1/2 x 8-3/4. 204 pp. =net, $3.00=