XvI1. | AMERICAN WHITE OAK. 105 
In the experiments that were made, it was found 
White Oak compared very favourably with all the 
foreign Oaks, but proved to be slightly inferior in 
strength to the English Oak. 
| 
i 
TABLE XXXVIII.—AMERICAN (OR PASTURE) WHITE OAK. 
Transverse Experiments, 
i Deflections. | Total Weight . 
: : Weight 
hi 2 duced i 
Number (Wich the | Afterthe| _ At. | required | ‘2 |" "to. | tequred 
. apparatus; weight | the crisis | to break a. | specific ead 
Specimen. | weighing was o! each w'ta | gravity | * pera 
390 Ibs. | removed. | breaking. | piece. 1000. ae 
Inches. Inch. luches! Ibs. _— Ibs. 
I 1°65 15 9°00 836 960 | 871 | 209°00 
2 1°50 "00 8°50 826 988 | 836 | 206°50 
3 175 “25 9°25 839 950 | 883 | 209°75 
4 1°75 ‘IO 10°15 882 1010 | 873 | 220°50 
5 2°35 "35 9°35 744 935 | 795 | 186°00 
6 2°50 "35 6°75 696 1054 | 660 | 174°00 
: Total .} 11 “50 1°20 53°00 | 4823 5897 | 4918 | 1205°75 
Average| 1°916 +208 8°833 | 803'83] 982°8|/819°66| 200°96 
I 
Remarks.—Nos. 1, 2, 5, and 6 broke with a splintery fracture, ro to 12 inches in 
length ; 3 and 4, although splintered like the others, were not pletely broken d 
TABLE XXXIX. 
Tensile Experiments. 
| Number | p; . f| Specifi Weight the Direct 
ee, [ecimiee, | ae. | PR | 
Inches. Ibs. Tbs. 
7 988 28,004 7,001 
8 960 31,076 | 7,769 
9 2x2x30 935. 26,600 6,650 
10 1010 31,228 7,807 
I 950 23,512 5,878 
Total. . ae 4843 140,420 | 35,105 
Average . as 969 28,084. 7,021 
