a vegetable tannage using tannins from hemlock plants, usually resulting in a reddish leather
Hemlock is divided into acid and non-acid; the acid hemlock is plumped with weak sulphuric acid.
— The Shoe and Leather Lexicon, Fourth Edition, 1918
a vegetable tannage using tannins from hemlock plants, usually resulting in a reddish leather
Hemlock is divided into acid and non-acid; the acid hemlock is plumped with weak sulphuric acid.
— The Shoe and Leather Lexicon, Fourth Edition, 1918