  Electro-Metallurgy. Electric Smelting and Refining: The Extraction and Treatment of Metals by means of the Electric Current. Being the second edition of Elektro-Metallurgie by Dr. W. Borchers. Translated, with additions, by Walter G. McMillan. With 3 plates and numerous illustrations in the text. 8vo, cloth. 416 pages. London and New York, 1897 $6.50 Electro-Technical Series. By Edwin J. Houston, Ph.D., and A.E. Kennelly, D.Sc. Ten volumes: Alternating Electric Currents, Electric Heating, Electro-Magnetism, Electricity in Electro-Therapeutics, Electric Arc Lighting, Electric Incandescent Lighting, Electric Motors, Electric Street Railways, Electric Telephony, Electric Telegraphy. Each $1.00 Engineers. The Practical Management of Engines and Boilers, including Boiler Setting, Pumps, Injectors, Feed Water Heaters, Steam Engine Economy, Condensers, Indicators, Slide Valves, Safety Valves, Governors, Steam Gages, Incrustation and Corrosion, etc. A Practical Guide for Engineers and Firemen and Steam Users generally. By William B. Le Van. 12mo, cloth. 267 pages. 49 illustrations. 1897 $2.00 Experimental Science. By George M. Hopkins. This book treats on the various topics of Physics in a popular and practical way. It describes the apparatus in detail, and explains the experiments in full, so that teachers, students and others interested in Physics may readily make the apparatus without expense and perform the experiments without difficulty. The aim of the writer has been to render physical experimentation so simple and attractive as to induce both old and young to engage in it for pleasure and profit. A few simple arithmetical problems comprise all of the mathematics of the book. Many new experiments are here described for the first time. It is the most thoroughly illustrated work over published on Experimental Physics. 840 pages. Over 790 illustrations. Seventeenth edition. Revised and enlarged. 8vo, cloth $4.00 Explosives. Lectures on Explosives. A course of Lectures prepared especially as a Manual and Guide in the Laboratory of the United States Artillery School. By Willoughby Walke, First Lieut. Fifth United States Artillery. Second edition. Revised and enlarged. 8vo, cloth. 435 pages. New York, 1897 $4.00 Feeds and Feeding. A Handbook for the Student and Stockman. By W.A. Henry. 8vo, cloth. 657 pages. 1898 $2.00 Our large Catalogue of American and Foreign Scientific and Technical Books, embracing more than Fifty different subjects, and containing 116 pages, will be mailed, free, to any address in the world. Any of the foregoing Books mailed, on receipt of price, to any address. Remit by Draft, Postal Note, Check, or Money Order, to order of MUNN & CO., A COMPLETE |
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