9 



BONE PRODUCTS AND MANURES : An Account of the 

 most recent Impiovements in the iManutacture of Fat, Glue, Animal 

 Charcoal, Size. Gelatine and Manures. By Thomas Lambert, Techni- 

 cal and Consulting Chemist. Illustrated by Twenty-one Plans and 

 Diagrams. 162 pp. Demy 8vo. Price 7s. 6d. net. (Post free, 7s. lOd. 

 home ; 8s. abroad.) 



Contents. 



Chemical Composition of Bones— Arrangement of Factory — Properties of Glue — Gliitin 

 and Chondrin — Skin Glue — Liming of Skms — Washing — Boiling of Skins — Clarification of Glue 

 Liquors — Glue-Boiling and Clarifying House — Specification of a Glue — Size — Uses and Pre 

 paration and Composition of Size — Concentrated Size — Properties of Gelatine — Preparation of 

 Skin Gelatine — Drying — Bone Gelatine— Selecting Bones — Crashing — 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 — S)ils— Germination — Plant Life — Natural 

 Manures— Water and Nitrogen in Farmyard Manure — Full An lysis of Farmyard Manure 

 — Action on Crops — Water-Closet System — Seuage Manure — Green Manures — Artificial 

 Manures — Mineral Manures — Ni rogenous 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 Zacuo— 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. Trans- 

 lated from the Academy of Sciences at Stockholm, with Additions. 300 

 pp. Demy Svo. Price 5s. net. (Post fr je 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 Mmeral — Chemical Investigation of Fluor Acid, 

 with a View to the Earth which it Yields, by Mr. Wiegler — Additional Information 

 Concerning Fluor Minerals — On MangmLse, 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 PuKis Algarothi — Experiments upon Molybdaena 

 — Experiments on Plumbago — Method of Preparing a Ne-v Green Colo_r^Of the De- 

 composition 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. 



THE MANUFACTURE OF ALUM AND THE SUL- 

 PHATES AND OTHISR SALTS OF ALUMINA AND 

 IRON. Their Uses and Applications as Mordants in Dyeing 

 and Calico Printing, and their other Applications in the Arts iManulac- 

 tures Sanitary Engineering Agriculture and Horticulture. Translated 

 from the French of LuciEX Geschwind. 195 Illustrations. 400 pp. 

 Royal Svo. Price 12s. 6d. net. (Post free 13s. home; 13s. 6d. abroad.) 



AMMONIA AND ITS COMPOUNDS : Their Manufacture 

 and Uses. By Camille Vincent, Professor at the Central School of 

 Arts and Manufactures, Paris. Translated from the French by M. J. 

 Salter. Royal Svo. 114 pp. Thirty-two Illustrations. Price 5s. net. 

 (Post free. 5s. 4d. home ; 5s 6d. abroad.) 



Contents. 



General Considerations: Various Sources of Ammoniacal Products; Human Urine 

 as a Source of Ammonia — Extraction of Ammoniacal Products from Sewage — 

 Extraction of Ammonia from Gas Liquor— Manufacture of Ammoniacal Com- 

 pounds from Bones, Nitrogenous Waste, Beetroot Wash and Peat— Manufacture of 

 Caustic Ammonia, and Ammonium Chloride, Phosphate and Carbonate— Recovery 

 of Ammonia from the Ammonia=Soda Mother Liquors— Index. 



