GENERAL APPARATUS AND MANIPULATION 



171 



Fig. 45. Reaction tube cap with hole. 

 From Linderstr0m-Lang and Holier (1933b) 



Fig. 46. Stopper 

 for reaction tube with 

 cap of drawn-out glass 

 tubing. From Linder- 

 str0m-Lang and Holler 

 (1933b) 



Ky 



Ground 

 inner 

 surface S^^/ 



I 



Ground 

 surface 



Fig. 47. 



Fig. 48. 



Fig. 49. 



Fig. 47. Soda lime tube for stoppering reaction vessel. From Linderslr0m-Lang , 



Weil, and Holler (1935) 

 Fig. 48. Reductor. actual size. From Kirk and Bentley (1936) 

 Fig. 49. Tube and pestle for grinding tissue. From GUck (1937) 



