28 DISTILLATION OF KESINOUS WOOD BY SATUBATED STEAM. 



DISTILLATION IHTERRUPTE 



90 



00 



70 



60 



350 



40 



30 



20 



10 



.85 .86 .87 .88 .89 .90 .91 .92 .93 



SPECIFIC GRAVITY AT 15 C. 



FIG. 6. Curve showing fractionation of oil during run 20. 



