392 
No, 1. 
12.10 
12.15 
12.27 
12.36 
1.13 
1.22 
1.44 
EXPERIMENTS ON 
No, 2. 
12. 8 
12.13 
12.18 
12.25 
12.30 
12.36 
12.40 
12.43 
12.47 
12.50 
12.53 
12.56 
12.59 
17 
1.12 
1.55 
No. 8 
12.14 
12.24 
