BRITISH OAK. 
61 
TaBLE XVII. 
Vertical or Crushing Experiments on British Oak, 
with 4 square inches of base. 
Number Dimensions Speci Do. on the 
of the of pecific | Crushed square 
specimen. the pieces. Sravity< with inch. 
Inches. Tons. Tons. 
97 2x2xI 740 13500 3°375 
98 oo 2 ” 13625 | 37406 
99 | » 3 ” 13°875 | 3°469 
100 oF a? 4 3? 14 “000 3 *500 
101 » 9» 5 a2 15°750 3°937 
102 9 6 - 14°875 | 3°719 
103, |, oy 7 » 14°750 | 3°687 
14 |,, 5, 8 - 14°500 | 37625 
105 2? ”? 9 ed 15000 3°750 
106 eae (°) 13 slipped —_ 
107 oy (TT » 14°750 | 3°687 
108 a2 99, 2 720 13°750 | 3°437 
109 » » I ,, 11000 2°750 
110 Se. see (2AM yy 10°500 2°625 
III 99 30 | 734 9°750 | 2°437 
Note.—Nos. 97 to 107 (inclusive) were cut from one piece of Timber, Nos. 108 to 
1ro were cut from another, and No, 111 from a third piece. 
TABLE XVIII. 
Vertical or Crushing Experiments on British Oak, 
with g square inches of base. 
Number Dimensions Specifi Do. on the 
of the ° dake aoe Crushed square 
| specimen, the pieces. gravity. with inch. 
Inches. Tons. Tons. 
112 3x3x8 912 15°50 1°722 
113 9» oo 9 981 16°125 1°792 
114 >> 93 10 | 960 16°00 1°777 
115 927 (AI 943 16°50 1°833 
110 99 IZ | 928 14°75 1639 
117 » 9 13 gor 13°50 1°500 
118 » 9» 14 | 891 14°00 1°555 
119 3. dae LS 883 15°00 1°666 
120 59 ax 10) goo 15°00 1°666 
121 ome © 768 23°50 2°61 
122 » 9 18 | 789 22°00 2°444 
Note.—Nos. 112 to 120 (inclusive) were cut from a piece of Oak timber that had been 
four years in store—it was not even then well seasoned ; Nos. 121 and 122 were of better 
.Seasoned timber. 
