Part V., #Leather Testing and the Theory of Tanning# -- Testing and Analysis of Leather: Physical Testing of Tanned Leather; Chemical Analysis -- The Theory of Tanning and the other Operations of the Leather and Skin Industry: Theory of Soaking; Theory of Unhairing; Theory of Swelling; Theory of Handling; Theory of Tanning; Theory of the Action of Tannin on the Skin; Theory of Hungary Leather Making; Theory of Tawing; Theory of Chamoy Leather Making; Theory of Mineral Tanning. Part VI., #Uses of Leather# -- Machine Belts: Manufacture of Belting; Leather Chain Belts; Various Belts; Use of Belts -- Boot and Shoe-making: Boots and Shoes; Laces -- Saddlery: Composition of a Saddle; Construction of a Saddle -- Harness: The Pack Saddle; Harness -- Military Equipment -- Glove Making -- Carriage Building -- Mechanical Uses. Appendix, #The World's Commerce in Leather# -- Europe; America; Asia; Africa; Australasia -- Index. #THE LEATHER WORKER'S MANUAL.# Being a Compendium of Practical Recipes and Working Formulae for Curriers, Bootmakers, Leather Dressers, Blacking Manufacturers, Saddlers, Fancy Leather Workers. By H. C. STANDAGE. Demy 8vo. 165 pp. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.) #Contents.# Blackings, Polishes, Glosses, Dressings, Renovators, etc., for Boot and Shoe Leather -- Harness Blackings, Dressings, Greases, Compositions, Soaps, and Boot-top Powders and Liquids, etc., etc. -- Leather Grinders' Sundries -- Currier's Seasonings, Blacking Compounds, Dressings, Finishes, Glosses, etc. -- Dyes and Stains for Leather --Miscellaneous Information -- Chrome Tannage -- Index. #BOOKS ON POTTERY, BRICKS, TILES, GLASS, ETC.# #THE MANUAL OF PRACTICAL POTTING.# Compiled by Experts, and Edited by Chas. F. BINNS. Revised Third Edition and Enlarged. 200 pp. Price 17s. 6d. net. (Post free, 17s. 10d. home; 18s. 3d. abroad.) #Contents.#