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.# (p. c11) #INK MANUFACTURE:# Including Writing, Copying, Lithographic, Marking, Stamping, and Laundry Inks. By Sigmund LEHNER. Three Illustrations. Crown 8vo. 162 pp. Translated from the German of the Fifth Edition. Price 5s. net. (Post free, 5s. 3d. home; 5s. 6d. abroad.) #Contents.# Varieties of Ink -- Writing Inks -- Raw Materials of Tannin Inks -- The Chemical Constitution of the Tannin Inks -- Recipes for Tannin Inks -- Logwood Tannin Inks -- Ferric Inks -- Alizarine Inks--Extract Inks -- Logwood Inks -- Copying Inks -- Hektographs -- Hektograph Inks -- Safety Inks -- Ink Extracts and Powders -- Preserving Inks -- Changes in Ink and the Restoration of Faded Writing -- Coloured Inks -- Red Inks -- Blue Inks -- Violet Inks -- Yellow Inks -- Green Inks -- Metallic Inks -- Indian Ink -- Lithographic Inks and Pencils -- Ink Pencils -- Marking Inks -- Ink Specialities -- Sympathetic Inks -- Stamping Inks -- Laundry or Washing Blue -- Index. #SEALING-WAXES, WAFERS AND OTHER ADHESIVES FOR THE HOUSEHOLD, OFFICE, WORKSHOP AND FACTORY.# By H. C. STANDAGE. Crown 8vo. 96 pp. Price 5s. net. (Post free, 5s. 3d. home; 5s. 6d. abroad.) #Contents.#