E 290 



A Gla*tohib? tiMfd with water tiy insertutq b ist. the water arid, suction at,J),cutd thru, joining the i' en, 



B Inner tube m which thf aenrmetw floats in titf Ethtrttl A'oltitum pivnpfd iip> frvrrvtht bottle. 

 throiiqh.D,emd there ivtauied hy piittutfffln thf nifJfH'r * 



Julius Bzen & Co.Lith. 



PROFESSOR SOXHLET'S AEROMETER FOR EXTRACTING FAT 



