XIV.] 
SARDINIAN OAK. 
89 
Table XXX. —Sardinian Oak. 
Transverse Experiments. 
Number 
of the 
specimen. 
Deflections. 
Total 
weight 
required 
to break 
each 
piece. 
Specific 
gravity. 
Weight 
reduced 
to 
specific 
gravity 
1000. 
Weight 
required 
to break 
x square 
inch. 
With the 
apparatus 
weighing 
390 lbs. 
After the 
weight 
was 
removed. 
At 
the crisis 
of 
breaking. 
Inches. 
Inch. 
Inches. 
lbs. 
lbs. 
I 
2-65 
•°5 
575 
765 
1002 
763 
I9I-25 
2 
275 
•10 
5-65 
659 
103° 
639 
164 75 
3 
3 -I 5 
•i 5 
4'85 
630 
IO25 
614 
I 57 - 5 ° 
4 
2-25 
•i 5 
8'qo 
906 
943 
961 
226-50 
5 
2-50 
•i 5 
8-25 
776 
973 
899 
194-00 
6 
2 '35 
•15 
6-50 
8l2 
97 ° 
838 
203 -oo 
Total . 
*5'65 
75 
39-00 
47548 
5943 
4714 
II37-00 
Average 
2-608 
•125 
6-5 
75 8 
99°’5 
785-66 
189-5 
Remarks.- —Nos. 1, 2 , and 3 broke rather short to i-sth the depth, and had about 
12 inches length of fracture under it. 4, 5, and 6 had 13 inches length of fibrous fracture. 
Table XXXI.— Sardinian Oak. 
Vertical or Crus hi tig Strain on cubes of 2 inches. 
No. 7. 
No. 8. 
No. 9. 
No. 10. 
No. 11. 
No. 12. 
Total. 
Average. 
Tons. 
io-oo 
Tons. 
IO-I25 
Tons. 
10-625 
Tons. 
10-75° 
Tons. 
IO'OOO 
Tons. 
11 -ooo 
Tons. 
62-500 
Tons. 
IC416 
#2-5 
2 - 53 I 
2-656 
2-687 
2-500 
2 - 75 ° 
10-416 
2-604 
* On 1 square inch. 
E = 36345°- S = 199°- 
