Plate V. 
It represents the extremely simple Chinese apparatus for the extrac- 
tion of camphor from Blumea balsa mifera. On an iron cauldron is 
fixed a bamboo-woven cylinder, “leaped,” straw rope bands at both 
ends. A smaller cauldron is placed at the top of this bamboo basket 
and is kept cool. 
Height of the bamboo basket 
