SecTION 
oF 
ANTARCTIC 
ComPouND 
AMMONIA 
ComMPRESSOR 
Fig. 9. 
A—Main Casing J—High Pressure Inlet Valve 
Low Pressure Cylinder K—High Pressure Outlet Valve 
C—Low Pressure Piston L—Main Inlet Branch 
D—High Pressure Cylinder M—Main Delivery Branch 
E—High Pressure Piston N N—Piston Ro 
F—Low Pressure Inlet Valve O—Water Jacket to H.P. Cylinder 
G—Low Pressure Outlet Valve P—Cross Head to Piston Trun. 
H—Passage from Low to High Q—Equilibriam openings to ensure 
Pressure Cylinder filling of L.P. cylinder at full 
