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 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.