JOSIAS CHRISTOPHER GAMBLE 45 



and their families prepared and spun it. 

 Gamble utilised the knowledge he had 

 acquired in his studies, and sought to prepare 

 solutions of chlorine, to bleach the linen 

 which was manufactured by the hand-loom 

 weavers. 



William Gossage used to say that the 

 success of the Gambles was to some extent 

 to be attributed to their persistent and sys- 

 tematic efforts to use up every by-product, 

 and Josias Christopher Gamble, even in his 

 earliest operations in preparing bleaching 

 solution, did not overlook the importance of 

 preventing any waste : he used to work up 

 the residue left from producing chlorine into 

 Glauber's salts. These experiments afforded 

 Gamble indications and suggestions of the 

 great commercial value of chemical processes, 

 and a vision of a Land of Promise opened 

 out before him, in a lucrative and beneficent 

 industry, so that during his pastorate at 

 Belfast he decided to resign his charge, and 

 follow the bent of his mind, and, without 

 wholly abandoning his sacred calling, to de- 

 vote himself to the manufacture of chemicals 

 as a means of livelihood. After he had given 

 up his church, and had established himself in 

 business in Dublin, he used occasionally to 



