310 



Y. KOGA & O. Y AM AG ATA. 



The apparatus, consists of a glass bulb a, Fig. 11, blown on one 

 ond of a tube. The under side of the bulb is made into a cavity the 

 top of which is cut open into a hole, thus forming a circular groove 

 inside the bulb. The bead of the Stas pipette comes just below the 

 cavity. 



Fig. 11. 



The liquid is fdled into the pipette from below as usual ; 

 any excess of liquid is projected by its own force into the bulb above. 



