160 THE CHINESE SUGAR CANE. 
next charge, and C the worm. To operate with this 
still, fill the still through the heater, and then fill the 
heater. When the charge in the still is run over, draw 
off the spent wash, and fill up again from the heater. 
When a pure spirit, standing 80° to 90°, is wanted, a 
still like Fig. 4, on page 159, 1s required ; of which A is the 
still, B the doubler, C the heater, D the check cylinder, 
EK the worm. 
Alcohol 95° may be obtained by a distillery similar to 
F 
= 
Fig 5 
In this A is the still, B the heater, with a pecw iar 
arrangement inside, C the doubler, D the separator, E 
the pump to feed the heater with wash, F the separator 
pipes, G the drip pipe, H a thermometer to tell tempera- 
ture of wash. 
Where the quantity of sorgho planted is large, a very 
