X.] 



CRUSHING. 



Table XXI. 



Vertical or Crushing Experiments on British Oak, 

 with i6 square inches of base. 



Note.— These were respectively Nos, r32, 123, 125, 124, 127, 179, and 130 of Table 

 XIX., shortened after the first experiments upon them, and further seasoned before the 

 second trial. 



Table XXII. 



Vertical or Crushing Experiments on British Oak; 

 sundry scantlings. 



