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Estimating Frame and Brick Houses. By F. T. Hodgson. New York : David Williams Company. 1899. lOmo. Pp. 147. Price 1. An eminently practical book for the builder. Tbe author writes with authority and he shows an appreciation of precisely the information desired by builders and young architects. CONSUMPTION AND CHRONIC DISEASES. By Emmet Densmore, M.D. Brooklyn: The Stillman Publishing Company. 1899. 16iuo. Pp. 198. Price 1.25. The present volume deals with a hygienic cure at patient's home of incipient and advanced cases. It is a popular exposition of the *'open-air treatment" with latest developments and improvements. The method seems to be a common sense one although wecannotpro-nounce upon the merits of medical treatments. THE PRACTICAL ENGINEER POCKET BOOK FOR 1900. Manchester, England. 1900. 24ino. Pp. 438. Full leather, gilt. Price 60 cents. We have already commented upon the cheapness of English pocket books for engineers. The one before us is an admirable book and will be useful in any office or drawing-room where calculations are being carried on. The tables are of special value to mechanical engineers and their selection is admirable. MULHALL-HARPER COMPARATIVE STATISTICAL TABLES AND CHARTS OF THE COMMERCE OF THE WORLD. Compiled by William Harper. Philadelphia : Commercial Museum. 1899. Tables and colored plates. The Chief of the Bureau of Information of the Philadelphia Commercial Museum has compiled a very significant series of tables accompanied by graphic representations which show in an adequate and easily understood manner the wonderful growth of the commerce of the world for the last seventy years. The commerce of the United States naturally receives full attention. THE GENESIS OF PETROLEUM AND ASPHALTUM IN CALIFORNIA. BY A. S. Cooper, State Geologist. Sacramento. 1899. Pp. 89. An excellent discussion of this subject by a competent authority. POPULAR STAIRBUILDER AND CARPENTER'S HAND BOOK. By William Peoples. New York : David Williams Company. 16mo. Pp. 260, 52 plates, full leather. Price 2.50. It embraces carpenter's and stairbuilder's geometry, problems, conic sections, cylmdric sections as applied in the construction of the wreath-post of hand-rail, rules for the measurements of surfaces, the construction of ladders, box stairs, roofing, etc. It is a useful book and the form is compact. j THE CORNICE WORKERS' MANUAL. By Sidney P. Johnston. Chicago : The ! American Artisan. 1900. 12mo. Pp. 234. Price 3.50. Any volume on metal plate work which will tend to economize the labor of the worker in sheet metal will, we are sure, be appreciated by all practical men. The work before us is thoroughly adapted for its purpose. Some of the illustrations might have been on a larger scale as at present the figures are very trying to the eyes. WILLIAMS' PORTFOLIO OF PLANS. Designed and published by Charles H. Williams, Architect, Parde ville, Wis. CORN TRADE AND OPTIONS MARKET CONSIDERED IN RELATION TO SOCIAL ECONOMIC PROBLEMS. By F. Ham-mesfahr. New York : Gr. E. Stechert. 1899. Pp. 106. Price 50 cents. HOUSES FOR THE COUNTRY AND SUBURB. Bv William Dewsnap, 150 Nassau Street, New York, Quarto. Pp. 36. Price 1. COMPOUND ENGINES. By James Tribe. Racine, Wis. 1899. 8mo. Pp. 137. Full leather, flexible. Price 1.50. The principal portion of this treatise first appeared at various times in a technical paper and the articles were received with GO much favor that the author has collected them and has added to and revised the matter so as to .make a valuable little book dealing in an eminently practical way with a rather difficult subject. The explanations are very practical and the higher mathematics are eschewed.
