290 
Experiments on the Strength of Wood. 
Weight. |Curvature. Difference. 
Weight. |Curvature. |Difference, 
0° 06’ 
14 
10 
cococooocoocooocoooosooeceseoesosooeso 
cS 
[ApRIL, 
No. 10. 
Broke short at fulcrum. 
No. 9. 
141b] 0° 10’| 0° 10% 141b] 0° 06’ 
28 0 21] 0 11 28 0 20 
42 0 °S37) "0 ne 42 0 30 
56 0 44] 0 11 56 0 42 
70 0 56} O 12 70 0 54 
84 1 08} 0 12 84 1 04 
98 1 20} 0 12 98 1 16 
112 A om elt) SE é 112 1 38 
126 1 45| 0 12 5 126 1 42 
140 1 58} 0 13 2 140 1 55 
154 2 13] 0 15 e 154 2 08 
168 2 30} 0 17 3 168 2 24 
115 2 '42] 0 12 2 122 2 42 
182 2 54) 0 12 oo 189 2 50 
189 | 3 03] 0 09 5 196 | 3 12 
196 3 08! 0 05 = 203 3 26 
203 3 30| 0 22 a 210 0 00 
210 3 48! 0 18 217 8 42 
217 4 12| 0 24 224 3 54 
224 4 36| 0 24 231 4 12 
231 5 30] 0 54 238 4 36 
238 6 00] 0 30 @45 5 12 
252 6 24 
143°5 Mean 
Weight.| Curvature. | Difference. No. 11. | Weight. |Curvature. | Difference. 
141} 0° 10’| 0° 10! 141b] 0° 10! 
28 0 22} 0 12 28 0 22 
42 O-rs4r-*0 FIs a 42 0 36 
56 0 48}; 0 14 hs 56 0 50 
70 1 00] O 12 70 1 04 
S45 1 ie 0 re = 84 | 1 20 
98 1 26) 0 14 = 98 1 39 
112 1 39] 0 13 on 112 1 57 
126 1a) OP on ; 126 2 18 
140 2 10} 0 16 S 140 2 36 
154 Say OO CTT z 154 3 06 
168 | 2 48] O 2l 3 168 | 3 50 
182 3 09"). 0. at = 
196 ~} 3 42] O 23 s 91 Mean. 
203 4 00| 0 18 i 
210 A561) ‘O es6 nese S 
QT 5 30] O 54 = 
123°5 Mean 
0° 10' 
12 
14 
14 
14 
16 
19 
18 
21 
18 
30 
44 
ooocececoeco 
No. 12, 
oe 
Broke at a knot 24 in, from fulcrum. 
