MABERY. — CONTINUOUS VACUUM DISTILLATION. 5 



broken glass resting on a piece of glass rod with a head as previously 

 described. As is evident from the figure, this apparatus may readily be 

 set up from supplies always at hand in the laboratory, except the tube O, 

 which any glass-blower can make. 



Suggestions as to details have been made by various assistants, espe- 

 cially by Mr. 0. J. Sieplein, instructor in chemistry, who prepared the 

 drawing. 



