■■■■MP 
JHP^PI 
31 
BLUES. 
No. 24. Scotch Blue, is Berlin blue, mixed with 
a considerable portion of velvet black, 
a very little grey, and a slight tinge 
of carmine red. W. 
25. Prussian Blue, is Berlin blue, with a 
considerable portion of velvet black, 
and a small quantity of indigo blue. 
26. Indigo Blue, is composed of Berlin blue, 
a little black, and a small portion of 
apple green. 
27. China Blue, is azure blue, with a little 
Prussian blue in it. 
28. Azure Blue, is Berlin blue, mixed with 
a little carmine red : it is a burning 
colour. W. 
