Chemical Properties
-- Mechanical Transformation -- Methods of Analysing -- Gutta Percha
Substitutes -- Index.

#LEATHER TRADES.#

#PRACTICAL TREATISE ON THE LEATHER INDUSTRY.# By A. M. VILLON. Translated
by Frank T. ADDYMAN, B.Sc. (Lond.), F.I.C., F.C.S.; and Corrected by
an Eminent Member of the Trade. 500 pp., royal 8vo. 123 Illustrations.
Price 21s. net. (Post free, 21s. 6d. home; 22s. 6d. abroad.)

#Contents.#

Preface--Translator's Preface--List of Illustrations.

Part I., #Materials used in Tanning# -- Skins: Skin and its Structure;
Skins used in Tanning; Various Skins and their Uses -- Tannin and
Tanning Substances: Tannin; Barks (Oak); Barks other than Oak; Tanning
Woods; Tannin-bearing Leaves; Excrescences; Tan-bearing Fruits;
Tan-bearing Roots and Bulbs; Tanning Juices; Tanning Substances used
in Various Countries; Tannin Extracts; Estimation of Tannin and Tannin
Principles.

Part II., #Tanning# -- The Installation of a Tannery: Tan Furnaces;
Chimneys, Boilers, etc.; Steam Engines -- Grinding and Trituration of
Tanning Substances: Cutting up Bark; Grinding Bark; The Grinding of
Tan Woods; Powdering Fruit, Galls and Grains; Notes on the Grinding of
Bark -- Manufacture of Sole Leather: Soaking; Sweating and Unhairing;
Plumping and Colouring; Handling; Tanning; Tanning Elephants' Hides;
Drying; Striking or Pinning -- Manufacture of Dressing Leather:
Soaking; Depilation; New Processes for the Depilation of Skins;
Tanning; Cow Hides; Horse Hides; Goat Skins; Manufacture of (p. c14)
Split Hides -- On Various Methods of Tanning: Mechanical Methods;
Physical Methods; Chemical Methods; Tanning with Extracts -- Quantity
and Quality; Quantity; Net Cost; Quality of Leather -- Various
Manipulations of Tanned Leather: Second Tanning; Grease Stains;
Bleaching Leather; Waterproofing Leather; Weighting Tanned Leather;
Preservation of Leather -- Tanning Various Skins.

Part III., #Currying# -- Waxed Calf: Preparation; Shaving; Stretching or
Slicking; Oiling the Grain; Oiling the Flesh Side; Whitening and
Graining; Waxing; Finishing; Dry Finishing; Finishing in Colour; Cost
-- White Calf: Finishing in White -- Cow Hide for Upper Leathers:
Black Cow Hide; White Cow Hide; Coloured Cow Hide -- Smooth Cow Hide
-- Black Leather -- Miscellaneous Hides: Horse; Goat; Waxed Goat Skin;
Matt Goat Skin -- Russia Leather: Russia Leather; Artificial Russia
Leather.

Part IV., #Enamelled, Hungary and Chamoy Leather, Mo