Treading.—Unhairing.—Liming.—Beaming.—Softening of roots of
the hair by putrefactive processes, and by dilute acids.-Objec-
tions to the liming process.-New mode of unhairing and cleans-
ing followed in America.
Preparation of kips and skins.-Grainer or bate.
Old slow tanning process.-Common process followed at present.—
Handlers and bloomers or layers.-Tanning by filtration.—Finish-
ing operations.
Processes for expediting the tanning.-Processes of Mr. Spilsbury,
Mr. Drake, Mr. Chaplin, and Messrs. Herepath and Cox.—Supe-
rior mechanical process.