CEMENTS, PASTES, GLUES, AND GUMS.

A Practical Guide to the Manufacture and Application of the various Agglutinants required in the Building, Metal-Working, Wood-Working, and Leather-Working Trades, and for Workshop, Laboratory or Office Use. With upwards of 900 Recipes and Formulæ. By H. C. Standage, Chemist. Third Edition. Crown 8vo, cloth.

[Just Published. 2/0

“We have pleasure in speaking favourably of this volume. So far as we have had experience, which is not inconsiderable, this manual is trustworthy.”—Athenæum.

“As a revelation of what are considered trade secrets, this book will arouse an amount of curiosity among the large number of industries it touches.”—Daily Chronicle.

THE ART OF SOAP-MAKING.

A Practical Handbook of the Manufacture of Hard and Soft Soaps, Toilet Soaps, &c. Including many New Processes, and a Chapter on the Recovery of Glycerine from Waste Leys. By Alx. Watt. Fifth Edition, Revised, with an Appendix on Modern Candlemaking. Crown 8vo, cloth

7/6

“The work will prove very useful, not merely to the technological student, but to the practical soap boiler who wishes to understand the theory of his art.”—Chemical News.

“A thoroughly practical treatise on an art which has almost no literature in our language. We congratulate the author on the success of his endeavour to fill a void in English technical literature.”—Nature.