4. A crystallizable resin;

5. A resin, soluble in alcohol and ether, but insoluble in petroleum,

and uncrystallizable.

6. The unsaponified fat of the _coccus_ insect, as well as oleic and

margaric acids.

A Dictionary of Arts, Manufactures and Mines containing a clear exposition of their principles and practice · 第 237 / 421 题