[Gutenberg 53363] • Glue, Gelatine, Animal Charcoal, Phosphorous, Cements, Pastes and Mucilages

Excerpt from Glue, Gelatine, Animal Charcoal, Phosphorus, Cements, Pastes, and Mucilages

The first edition of this work has been out of print for some years, but nevertheless there is a constant demand for Qit, and this together with the fact that frequent inquiries are received for information in this department of industry, are the inducements which have led to the preparation of the present treatise.

The book is arranged in two parts. Part I. comprising Glue, Gelatine and Allied Products, and Part II. Cements, Pastes and Mucilages, and it is fully illustrated with engravings of various types of apparatus.

Since the appearance of the first edition much progress has been made in the manufacture of glue and allied products. Old and wasteful methods of working have been replaced by more approved processes, and in the present volume it has been endeavored to place before those interested in these industries, a practical and comprehensive account of modern methods of operation.

In order adequately to represent this advancement and development, the best authorities have been freely consulted and drawn upon, special acknowledgments being due to the following works: Bone Products and Manures, by Thomas Lambert, and "Glue and Glue Testing," by Samuel Rideal.

As the demand for phosphorus is steadily increasing, and the manufacture of this product from bones and bone-ash forms an important branch of the utilitzation of bones, it has been deemed advisable to devote a chapter to his subject.

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