GLUE AND GLUE TESTING. By Samuel Rideal, D.Sc. (Lond.), F.I.C. Fourteen Engravings. 144 pp. Demy 8vo. Price 10s. 6d. net. (Post free, 10s. 10d. home; 11s. abroad.)
Contents.
Constitution and Properties: Definitions and Sources, Gelatine, Chondrin and Allied Bodies, Physical and Chemical Properties, Classification, Grades and Commercial Varieties -- Raw Materials and Manufacture: Glue Stock, Lining, Extraction, Washing and Clarifying, Filter Presses, Water Supply, Use of Alkalies, Action of Bacteria and of Antiseptics, Various Processes, Cleansing, Forming, Drying, Crushing, etc., Secondary Products -- Uses of Glue: Selection and Preparation for Use, Carpentry, Veneering, Paper-Making, Bookbinding, Printing Rollers, Hectographs, Match Manufacture, Sandpaper, etc., Substitutes for other Materials, Artificial Leather and Caoutchouc -- Gelatine: General Characters, Liquid Gelatine, Photographic Uses, Size, Tanno-, Chrome and Formo-Gelatine, Artificial Silk, Cements, Pneumatic Tyres, Culinary, Meat Extracts, Isinglass, Medicinal and other Uses, Bacteriology -- Glue Testing: Review of Processes, Chemical Examination, Adulteration, Physical Tests, Valuation of Raw Materials -- Commercial Aspects.
BONE PRODUCTS AND MANURES: An Account of the most recent Improvements in the Manufacture of Fat, Glue, Animal Charcoal, Size, Gelatine and Manures. By Thomas Lambert, Technical and Consulting Chemist. Illustrated by Twenty-one Plans and Diagrams. 162 pp. Demy 8vo. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.)
Contents.
Chemical Composition of Bones -- Arrangement of Factory -- Properties of Glue -- Glutin and Chondrin -- Skin Glue -- Liming of Skins -- Washing -- Boiling of Skins -- Clarification of Glue Liquors -- Glue-Boiling and Clarifying-House -- Specification of a Glue -- Size -- Uses and Preparation and Composition of Size -- Concentrated Size -- Properties of Gelatine -- Preparation of Skin Gelatine -- Drying -- Bone Gelatine -- Selecting Bones -- Crushing -- Dissolving -- Bleaching -- Boiling -- Properties of Glutin and Chondrin -- Testing of Glues and Gelatines -- The Uses of Glue, Gelatine and Size in Various Trades -- Soluble and Liquid Glues -- Steam and Waterproof Glues -- Manures -- Importation of Food Stuffs -- Soils -- Germination -- Plant Life -- Natural Manures -- Water and Nitrogen in Farmyard Manure -- Full Analysis of Farmyard Manure -- Action on Crops -- Water-Closet System -- Sewage Manure -- Green Manures -- Artificial Manures -- Mineral Manures -- Nitrogenous Matters -- Shoddy -- Hoofs and Horns -- Leather Waste -- Dried Meat -- Dried Blood -- Superphosphates -- Composition -- Manufacture -- Common Raw Bones -- Degreased Bones -- Crude Fat -- Refined Fat -- Degelatinised Bones -- Animal Charcoal -- Bone Superphosphates -- Guanos -- Dried Animal Products -- Potash Compounds -- Sulphate of Ammonia -- Extraction in Vacuo -- French and British Gelatines compared -- Index.
Chemicals, Waste Products and Agricultural Chemistry.
REISSUE OF CHEMICAL ESSAYS OF C. W. SCHEELE. First Published in English in 1786. Translated from the Academy of Sciences at Stockholm, with Additions. 300 pp. Demy 8vo, Price 5s. net. (Post free, 5s. 6d. home; 5s. 9d. abroad.)
Contents.
Memoir: C. W. Scheele and his work (written for this edition by J. G. McIntosh) -- On Fluor Mineral and its Acid -- On Fluor Mineral -- Chemical Investigation of Fluor Acid, with a View to the Earth which it Yields, by Mr. Wiegler -- Additional Information Concerning Fluor Minerals -- On Manganese, Magnesium, or Magnesia Vitrariorum -- On Arsenic and its Acid -- Remarks upon Salts of Benzoin--On Silex, Clay and Alum -- Analysis of the Calculus Vesical -- Method of Preparing Mercurius Dulcis Via Humida -- Cheaper and more Convenient Method of Preparing Pulvis Algarothi -- Experiments upon Molybdæna -- Experiments on Plumbago -- Method of Preparing a New Green Colour -- Of the Decomposition of Neutral Salts by Unslaked Lime and Iron -- On the Quantity of Pure Air which is Daily Present in our Atmosphere -- On Milk and its Acid -- On the Acid of Saccharum Lactis -- On the Constituent Parts of Lapis Ponderosus or Tungsten -- Experiments and Observations on Ether -- Index.