Contents.

Alcohol and its Properties. -- Ethylic Alcohol -- Absolute Alcohol -- Adulterations -- Properties of Alcohol -- Fractional Distillation -- Destructive Distillation -- Products of Combustion -- Alcoholometry -- Proof Spirit -- Analysis of Alcohol -- Table showing Correspondence between the Specific Gravity and Per Cents. of Alcohol over and under Proof -- Other Alcohol Tables. Continuous Aseptic and Antiseptic Fermentation and Sterilisation in Industrial Alcohol Manufacture. The Manufacture of Industrial Alcohol from Beets. -- Beet Slicing Machines -- Extraction of Beet Juice by Maceration, by Diffusion -- Fermentation in Beet Distilleries -- Plans of Modern Beet Distillery, The Manufacture of Industrial Alcohol from Grain. -- Plan of Modern Grain Distillery. The Manufacture of Industrial Alcohol from Potatoes. The Manufacture of Industrial Alcohol from Surplus Stocks of Wine, Spoilt Wine, Wine Marcs, and from Fruit in General. The Manufacture of Alcohol from the Sugar Cane and Sugar Cane Molasses -- Plans. Plant, etc., for the Distillation and Rectification of Industrial Alcohol. -- The Caffey and other "Patent" Stills -- Intermittent versus Continuous Rectification -- Continuous Distillation -- Rectification of Spent Wash. The Manufacture and Uses of Various Alcohol Derivatives, Ether, Haloid Ethers, Compound Ethers, Chloroform -- Methyl and Amyl Alcohols and their Ethereal Salts, Acetone -- Barbet's Ether, Methyl Alcohol and Acetone Rectifying Stills. The Uses of Alcohol in Manufactures, etc. -- List of Industries in which Alcohol is used, with Key to Function of Alcohol in each Industry. The Uses of Alcohol for Lighting, Heating, and Motive Power.

ANALYSIS OF RESINS AND BALSAMS. Translated from the German of Dr. Karl Dieterich. Demy 8vo. 340 pp. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. 3d. abroad.)

MANUAL OF AGRICULTURAL CHEMISTRY. By Herbert Ingle, F.I.C., Lecturer on Agricultural Chemistry, the Yorkshire College; Lecturer in the Victoria University. 388 pp. 11 Illustrations. Demy 8vo. Price 7s. 6d. net. (Post free, 8s. home; 8s. 6d. abroad.)

Contents.

Introduction -- The Atmosphere -- The Soil -- The Reactions occurring in Soils -- The Analysis of Soils -- Manures, Natural -- Manures (continued) -- The Analysis of Manures -- The Constituents of Plants -- The Plant -- Crops -- The Animal -- Foods and Feeding -- Milk and Milk Products -- The Analysis of Milk and Milk Products -- Miscellaneous Products used in Agriculture -- Appendix -- Index.

THE UTILISATION OF WASTE PRODUCTS. A Treatise on the Rational Utilisation, Recovery and Treatment of Waste Products of all kinds. By Dr. Theodor Koller. Translated from the Second Revised German Edition. Twenty-two Illustrations. Demy 8vo. 280 pp. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. 3d. abroad.)

Contents.

The Waste of Towns -- Ammonia and Sal-Ammoniac -- Rational Processes for Obtaining these Substances by Treating Residues and Waste -- Residues in the Manufacture of Aniline Dyes -- Amber Waste -- Brewers' Waste -- Blood and Slaughter-House Refuse -- Manufactured Fuels -- Waste Paper and Bookbinders' Waste -- Iron Slags -- Excrement -- Colouring Matters from Waste -- Dyers' Waste Waters -- Fat from Waste -- Fish Waste -- Calamine Sludge -- Tannery Waste -- Gold and Silver Waste -- India-rubber and Caoutchouc Waste -- Residues in the Manufacture of Rosin Oil -- Wood Waste -- Horn Waste -- Infusorial Earth -- Iridium from Goldsmiths' Sweepings -- Jute Waste -- Cork Waste -- Leather Waste -- Glue Makers' Waste -- Illuminating Gas from Waste and the By-Products of the Manufacture of Coal Gas -- Meerschum -- Molasses--Metal Waste -- By-Products in the Manufacture of Mineral Waters -- Fruit -- The By-Products of Paper and Paper Pulp Works -- By-Products in the Treatment of Coal Tar Oils -- Fur Waste -- The Waste Matter in the Manufacture of Parchment Paper -- Mother of Pearl Waste -- Petroleum Residues -- Platinum Residues -- Broken Porcelain, Earthenware and Glass -- Salt Waste -- Slate Waste -- Sulphur -- Burnt Pyrites -- Silk Waste -- Soap Makers' Waste -- Alkali Waste and the Recovery of Soda--Waste Produced in Grinding Mirrors -- Waste Products in the Manufacture of Starch -- Stearic Acid -- Vegetable Ivory Waste -- Turf -- Waste Waters of Cloth Factories -- Wine Residues -- Tinplate Waste -- Wool Waste -- Wool Sweat -- The Waste Liquids from Sugar Works -- Index.

Writing Inks and Sealing Waxes.