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.