X.] 
BRITISH OAK. 
61 
Table XVII. 
Vertical or Crushing Experiments on British Oak, 
with 4 square inches of base. 
Number 
of the 
specimen. 
Dimensions 
of 
the pieces. 
Specific 
gravity. 
Crushed 
with 
Do. on the 
square 
inch. 
97 
Inches. < 
2 X2X1 
740 
Tons. 
13-500 
Tons. 
3'375 
98 
>> j> 2 
13-625 
3-406 
99 
» » 3 
,, 
i3‘S75 
3’469 
100 
„ » 4 
14-000 
3 ‘ 5 oo 
IOI 
>> 5 
5 9 
15750 
3'937 
102 
„ „ 6 
,, 
i4’875 
37i9 
103 
» » 7 
,, 
H750 
3-687 
104 
„ „ 3 
,, 
14-500 
3 ’625 
105 
„ „ 9 
1 5 -OOO 
3750 
106 
„ „ 10 
,, 
slipped 
— 
107 
» « 11 
99 
14750 
3-687 
108 
„ „ 12 
qio 
13750 
3'43 7 
109 
„ » 18 
9 9 
11 -OOO 
2-750 
no 
>) >j 24 
,, 
10-500 
2-625 
111 
»» » 3° 
734 
9750 
2-437 
Note. —Nos. 97 to 107 (inclusive) were cut from one piece of Timber, Nos. 108 to 
no were cut from another, and No. in from a third piece. 
Table XVIII. 
Vertical or Crushing Experiments on British Oak, 
with 9 sqziare inches of base. 
Number 
of the 
specimen. 
Dimensions 
of 
the pieces. 
Specific 
gravity. 
Crushed 
with 
Do. on the 
square 
inch. 
Inches. 
Tons. 
Tons. 
112 
3x3x8 
912 
I 5-50 
I-722 
113 
,, „ 9 
981 
16-125 
1-792 
114 
,, ,, 10 
960 
16-oo 
1-777 
115 
„ „ 11 
943 
16-50 
1-833 
Il6 
„ ,, 12 
928 
I 4-75 
1-639 
1 17 
» » 13 
901 
13-50 
I -500 
Il8 
)> 14 
891 
14-00 
i ’555 
119 
„ „ 15 
883 
15-00 
1 "666 
120 
>> )> 1^ 
900 
15-00 
1 -666 
121 
» » 17 
768 
23-50 
2-6ii 
122 
>• » 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. 
