1224 



Megadiascope. 



Fig. 34. No. 9580. 1 : 2. 



A 



Fig. 35. No. 9581. 1:3 



Fig. 38. No. 9589. 1 :4. 



Fig. 36. No. 9586. 

 1:3. 



Fig. 37. No. 9587. 

 1:3. 



SB 



O 



The items with an asterisk are absolutely necessary for carrying out the experiments. 



Cl. 293, 294, 



295, 291, W2. 



