1890. BOOKS RELATING TO APPLIED SCIENCE, PUBLISHED BY E. & F. N. SPON, LONDON: 125, STRAND. NEW YORK: 12, CORTLANDT STREET _The Engineers’ Sketch-Book of Mechanical Movements, Devices, Appliances, Contrivances, Details employed in the Design and Construction of Machinery for every purpose._ Collected from numerous Sources and from Actual Work. Classified and Arranged for Reference. _Nearly 2000 Illustrations._ By T. B. BARBER, Engineer. 8vo, cloth, 7_s._ 6_d._ _A Pocket-Book for Chemists, Chemical Manufacturers, Metallurgists, Dyers, Distillers, Brewers, Sugar Refiners, Photographers, Students, etc., etc._ By THOMAS BAYLEY, Assoc. R.C. Sc. Ireland, Analytical and Consulting Chemist and Assayer. Fourth edition, with additions, 437 pp., royal 32mo, roan, gilt edges, 5_s._ SYNOPSIS OF CONTENTS: Atomic Weights and Factors—Useful Data—Chemical Calculations—Rules for Indirect Analysis—Weights and Measures—Thermometers and Barometers—Chemical Physics—Boiling Points, etc.—Solubility of Substances—Methods of Obtaining Specific Gravity—Conversion of Hydrometers—Strength of Solutions by Specific Gravity—Analysis—Gas Analysis—Water Analysis—Qualitative Analysis and Reactions—Volumetric Analysis—Manipulation—Mineralogy—Assaying—Alcohol—Beer—Sugar— Miscellaneous Technological matter relating to Potash, Soda, Sulphuric Acid, Chlorine, Tar Products, Petroleum, Milk, Tallow, Photography, Prices, Wages, Appendix, etc., etc. _The Mechanician_: A Treatise on the Construction and Manipulation of Tools, for the use and instruction of Young Engineers and Scientific Amateurs, comprising the Arts of Blacksmithing and Forging; the Construction and Manufacture of Hand Tools, and the various Methods of Using and Grinding them; description of Hand and Machine Processes; Turning and Screw Cutting. By CAMERON KNIGHT, Engineer. _Containing 1147 illustrations_, and 397 pages of letter-press. Fourth edition, 4to, cloth, 18_s._ _Just Published, in Demy 8vo, cloth, containing 975 pages and 250 Illustrations, price 7s. 6d._ SPONS’ HOUSEHOLD MANUAL: A Treasury of Domestic Receipts and Guide for Home Management. PRINCIPAL CONTENTS. =Hints for selecting a good House=, pointing out the essential requirements for a good house as to the Site, Soil, Trees, Aspect, Construction, and General Arrangement; with instructions for Reducing Echoes, Waterproofing Damp Walls, Curing Damp Cellars. =Sanitation.=—What should constitute a good Sanitary Arrangement; Examples (with Illustrations) of Well- and Ill-drained Houses; How to Test Drains; Ventilating Pipes, etc. =Water Supply.=—Care of Cisterns; Sources of Supply; Pipes; Pumps; Purification and Filtration of Water.