364 



THE TIMBERS OF THE WORLD 



Table XC. 

 Transverse Experiments. — Butt length. 



Remarks. — These specimens broke with a moderate length of fracture. 



£=722360. 5=1922. 

 The mean of the whole being £ = 698240. S= 1S05. 



Number 



of the 



specimen. 



Table XCI. — Pine, Pitch (American). 

 Transverse Experiments. 



Deflections. 



With the 

 apparatus 

 weighing 

 390 lbs. 



.■\fter the 



weight 



was 



removed. 



At 

 the crisis 



of 

 breaking. 



Total weight 

 required to 



break 

 each piece. 



Specific 

 gravity. 



Weight 



reduced to 



specific 



gravity 



600. 



Remarks. — All the specimens broke with a short fracture. 



K = 859950. 5 = 2754. 



Weight 

 required 

 to break 

 I square 

 inch. 



