xi Improvement of Models Chemistry 107 



lain or earthenware body, of ancient or modern times, 

 has been found to possess. This renders it peculiarly 

 fit for cameos, portraits, and all subjects in bas-relief, as 

 the ground may be of any peculiar colour, while the 

 raised figures are of a pure white. 



5. Bamboo, a cane-coloured biscuit porcelain, of the 

 same nature as No. 3. 



6. A Porcelain Biscuit, remarkable for its great hard- 

 ness, little inferior to that of Agate. This property, 

 together with its resistance to the strongest acids and 

 corrosives and its impenetrability by every known 

 liquid, adapts it for the mortars of druggists and 

 chemists, and many different kinds of chemical vessels. 



These six distinct kinds of manufactures, together 

 with the Queen's Ware already mentioned, were de- 

 veloped by the ingenuity and industry of the different 

 manufacturers into an infinity of forms, both for orna- 

 ment and use, variously painted and embellished. 

 These constitute nearly the whole of the fine earthen- 

 ware and porcelains which have by this time become 

 the source of a very extensive trade, and which, con- 

 sidered as an object of national art, industry, and 

 commerce, may be ranked as amongst the most im- 

 portant manufactures of the kingdom. 



When Wedgwood finally entered into his partnership 

 with Bentley, it was intended that the latter should fix 

 his abode at Etruria for purposes of convenience, and 

 the erection of a house was begun for him after a design 

 of his own, but before it was finished it was judged best 



