Literature , &£. with Commerce. 2$ 
chanics. Indeed Chemiftry may be, not impro¬ 
perly, called the corner ftone of the arts. They 
not only are fupported by her, but many of them 
derive their very exiftence from this fource. 
She even furnilhes inftruments to every one of 
the branches of natural philofophy we have 
enumerated. The truth of this propofition will 
be evinced, when it is confidered that metals 
cannot be feparated from their ores, nor glafs 
produced without her aid. She fupplies the 
aftronomer with his lenfes, and the mathema¬ 
tician with his inftruments. The air pump, 
eleftrical, hydroftatical and hydraulic machines 
cannot be conftru&ed without her intervention; 
and fcarcely a piece of mechanifm is formed, to 
which fhe does not contribute fomething. 
In the finer arts the influence of Chemiftry is 
very confpicuous. To her the painter owes molt 
of thofe colours, by which he is enabled to give 
the refemblances of diftinguilhed perfonages to 
the inquiring eye of a grateful pofterity; to 
place before their view, more clearly than words 
can exprefs, the martial deeds of the hero, and 
the firm virtue of the patriot; and to reprefent 
thofe beauteous fcenes of nature, to the defcrip- 
tion of which, language is inadequate. Without 
Chemiftry, the fine colouring of a Titian could 
never have delighted the enraptured beholder. 
Nay, even the works of the philofopher, the 
hiftofiarj 
