344 



THE TIMBERS OF THE WORLD 



One piece, 9"-5 x 9''-5 x 15", 

 9''-5 X 9''-5 X 18", 



Nos. 29 and 30. 



Crushed with 

 the weight of 



307 tons 



336-8 „ 



= 3-493 tons per square inch, 

 = 3-833 



£=492550. 3=2105. 



Table XLV. — Mahogany (Mexican). 

 Transverse Experiments. 



Remarks. — Each piece broke short. 



Table XL VI. 

 Tensile Experiments. 



