794 
(ft-1b) 
Energy 
-no- 
Eg Ob 
20 
16 
14 
37 
10 
B & & 
| ie 
2 27 
ve 25 
0 20 40 60 80 100 120 140 
Defomation (10° in.) 
Fige VII-3. Dynamic calibration of 0.5000-in. length, 0,5255-in. 
diameter copper cylinders with freely falling weights. 
