700 
“Load in 
1000 Ibs. 
21 
22 
23 
24 
25 
26 
27 
28 
34 
PROCEEDINGS OF SECTION H. 
Readings in ;,,,;mm. 
Table VI.—continued. 
Top. 
14° 
60 
Bottom. 
ee 
nn. 
19°64 
+ Limit of Elasticity = 27,000 lbs. or 
0°7854 
Mean : 
Compression eo "be Moe 
iIN;>dp5omMM. ’ 
21°62 | 
0:90 
22°52 | ; 
0°91 
23°43 | 
0°88 
24°31 
0°89 
25°20 
0:80 
26°00 
0°87 
26°87 + Limit of 
0:99 Elasticity 
27°86 
0°94 
28°80 
0°92 
29°72 
1:00 
30°72 
1°05 
31°77 
1:07 
32°94 
1°30 
34:24 
27,000 
= 34,400 lbs. per sq. in. 
(15°35 tons). 
Coefficient of Elasticity = 28,770,000 lbs. per square inch 
= 12,850 tons per square inch. 
