vii Wedgwood's Marriage 71 



ture. Therefore we cannot help apprehending the 

 untoward consequences to our own home commerce." 

 Wedgwood continued to make many improvements 

 in his manufactures. In 1766 he introduced the black 

 ware ; the jasper and cane ware ; and was making 

 experiments upon mortars for chemists and druggists, 

 in which he eventually succeeded, and did a very ex- 

 tensive business in that material. 



