



Table VI 



. — continued. 



Load in 



Readings ia-g^Qinm. 



Mean 

 Compression 



Differences per 



| 1,000 lbs. 



Top. 



Bottom. 



, in loooo mm - 



1,000 fts. 



9 



430 



6-69 



1U-99 



0-91 



10 



4-79 



7-11 



11-00 



0-89 



11 



5-29 



7'54 



1279 



0-91 



12 



5-69 



8-01 



13-70 



0-86 



13 



611 



8 45 



14 56 



087 



14 



655 



8 89 



1543 



0-90 



15 



6-98 



935 



1633 



0-87 



16 



7-40 



y-80 



17-20 



90 



17 



7-80 



1030 



1810 



0-86 



18 



8-18 



1078 



18-96 



0-92 



19 



8-60 



11-28 



1988 



086 



20 



8-98 



11-76 



20 74 



0-S8 



21 



9 37 



12-25 



2162 



0-90 



22 



975 



12-77 



22-52 



0-91 



23 



10-13 



13-29 



2343 



0-88 



24 



10-51 



13-80 



24-3 L 



0-89 



25 



10-88 



14-25 



25-20 



080 



26 



11-30 



1470 



26-00 



0-87 



27 



11-67 



1520 



26-87 



f Limit of 

 99 Elasticity 



28 



12-08 



1578 



27-86 



0-94 



29 



12-40 



16-40 



2880 



92 



30 



12-70 



16-98 



2972 



100 



31 



13-15 



17-57 



30-72 



1-05 



32 



13-55 



18-22 



31-77 



107 



33 



1402 



18-92 



32-94 



1-30 



34 



14-60 



IP -64 



31 24 







27 000 

 i Limit of Elasticity = 27,000 lbs. or ,'., = 31,400 lbs. per sq. in. 



7854 (15-35 tons) 



Coefficient of Elasticity = 28,770,000 lbs pn- sq. in. 



■= 12,S50 tens per sq. inch. 



