Sir, if the fresh skin of an animal, cleaned and divested of all hair, fat, and other extraneous matter, be immersed in a dilute solution of tannic acid, a chemical combination ensues, the gelatinous tissue of the skin is converted into a non-putrescible substance, impervious to and insoluble in water.
This, Sir, is a leather.
Submitted by admin on Tue, 08/18/2009 - 22:32