153 

 Thickness for Foundation Walls. (Kidder.) 



Permissible Bearing Value (End Compression) of Bolts 



in Timber, per in. of Length, and Distance from 



Center of Unit tn the Next Bolt.* (Kidder.) 



'1 (n a iM-arinir n-,iM ance of 1500 Ibs. per stj. in. fur 

 Southern yellow pine 1:'^) \\^. for oaU and Oregon pine. Uiu 

 Ibs. for spruce, and 1000 Ibs. for white pine. 



