1817.) Experiments on the Strength of Wood. 287 
oo 
Weight. |Curvature. | Difference. No. 5. W eight)Curvature. | Difference. No. 6. 
141b} 0° 10’| 0° 10! é 141b} 0° 7) Qo 47 
ior eal eae mie pale: fe 
B me) 
56 0 44] 0 12 2 56 0 40! 0 13 8 
20 0 56] O 12 = 10 0 51] O11 2 
Slates mise tobi als al 
1 19 
112 I Shi) @ 15 2 112 1 26! 0 i9 S 
126 it AS 0 14 5 196 1 39! 0 13 3 
140 2 00] 0 12 “ 140 1 51] 0 19 < 
154 2 18] O 18 <q 154 2 06] O 15 & 
168 2 Std o 13 4 | 168 | 2 20/-0 14 g 
182 2 54] 0 93 E 182 2 364) 0 16 & 
196 3 15] O QI = 196 2 54| 0 is 2 
210 3 451 0 30 =e 210 3 15! 0 QI a 
204 4 30] 0 45 z 204 3 42] 0 27 a 
231 | 5 00] 0 30 Ee 238 | 4 15/ 0 33 = 
ev 245 4 36] 0 21 s 
125°6 Mean as 252 5 00/ O 24 a 
='S 259 | 5 18| 0 18 a 
© th 266 5 54] 0 36 e 
22 273 6 54] 1 00 a 
om 
j-2] 
156°2 Mean 
rr 
Average strength of the whole piece, 145°5 Ih, 
Mean of the greatest weight the pieces bore, 258-5 Ib. 
4 
