1. Experimental researches concerning the philosophy of permanent colours : and the best means of producing them, by dyeing, calico printing, &c. Title: Experimental researches concerning the philosophy of permanent colours : and the best means of producing them, by dyeing, calico printing, &c. Date: 1813 Author: Bancroft, Edward, 1744-1821. Collecting Area: Rare Books Call number: TP 897 B2 LOCAL