EXPLANATION of the PLATES 
in Vol. I. 
P L A T E I. 
Machine for impregnating Liquors with Fixed 
Air. 
E The Effervefcing Veffel. 
TtThe Tubes through which the Air is 
conveyed. 
A The Air-VeiTel. 
O The Opening through which the Com¬ 
mon Air is expelled. 
B The Bellows. 
W The Water-Vefiel. 
PpThe Pipe through which the Air is 
drawn into the Bellows, 
cc A Pipe forming the communication be¬ 
tween the Air and Water-Veflels. 
PLATE II. 
Symbols ufed by the Aftronomers and Chemifts. 
PLATE III. 
A Reprefentation of the Stump of the 
Humerus mentioned in page 337. 
The dotted Line (hews the Part where the 
Arm was amputated. 
MEMOIRS 
