280 Experiments on the Strength of Wood. (Areas; 
Experiments on the Strength of a square Piece of Danizic Oak cut 
into 25 Pieces, each Piece five Feet long, and two tnchits square. 
Weight. | Curvature, |Difference. { No. 3 Weight. |Curvature. | Difference. 
No.) 2. 
14 1b} 0° 00’) 0° 00’; 2& 14 Ib} 0° 13/| Oo 12! S 
28 0 00} 0 60 - 23 | 0 30} 0 18 2 
42 0 48}: 0 48 3 4 0 50:| 0 20 23 
56 Tis) BO sey O22 s 56 1 08] 0 18] «4% 
70 1 24) 0 14 a! 70 1, S6yl OD 18 |e) ee 
84 Pee ets ye SAD 48°F 0° Bae 
98 205) (On 21 3 98 2 06] 0 18 3 
112 B= 23,04, 20 i= M12 | ee Ser AT ale | Bl aE 
126 | 2 40} 0 17 pel 126} 2.54] 0 27) Se 
140 3 00} 0 20 £8 140°] 3 21) 0 27 ese 
154 3 40] 0 40 es 154 | 3 52) 00°31 oF 
168 4 16} 0 36 a 168 | 4 43] 0 51 49 
182 5 00} O 44 a 182 600 |e 1g ss 
196 oo fey ie 3 189 6 42] 0 42 ae 
° 193% 00,) 0 18) sa 
107 Mean re ° 
re] 110°5 Mean a) 
Weight. |Curvature. |Difference. No. 3. Weight. |Curyature. | Difference. No, 4 
141b} 0° 16/] 69 16} 28 14 1b} 0° 16'} O° 16 gd. 
28 0 35| 0 19 = 28 0 35} 6 19 2.R 
42 0 54/ 0 19 ° 48 1; 02 Omar 2 ae 
56. | 1) EB OF BLAS: St 56 | 1 24] 0 ge] &= 
10 1 36") 0° 21 Ae 70 1 AG") 0 S20 eee 
84 DUST NOS) =| 84 2 10| 0 24 ~s 
98 | 2 21| 0 24 key 98 | 2 36] 0 2] 8 
112 AB OMe Ss 112 3 06] 0 30 aellhas 
126. | 3 18| 0 30 Bs 126 83 42| 0 36 2s 
140 3 56] O 38 a 140 4 26| 0 44) F%& 
154 | 4 54] 0 58 4% 154 Bae Ie 06 ae 
168 6 Tea es o 168 LOM) LAO © tp 
3 36 
105°6 Mean S 91 Mean an 
Weight. |Curvature. |Difference. No. 5. Weight. |Curvature. | Difference. No. 6. 
141b} 0° 20’) 0° 20! FI 14%b} 0° 15'} O° 15 | SES 
. ~ cos 
28 | 0 39| 0 19 Be 28 0 33] 0 18] ZEB 
42 1 Of| 0 28 2s 42 O50) OC (2b eee 
56 | 1 20| 0 93] &. 56 | 1 20| 0 21| Ses 
70 y 54) 0 94 eee 10 1 43] 0 23] §—8 
g4 | 2 18] 0 24 eee 84 | 2 06] 0 23] ABs 
98 | 0748 50 301, ES 9s | 2 s2| 0 26] 288 
112 3 21] 0 33 = 2 112) vif 8) OL") 10.29 eas 
126 | 4 00] 0 39 ea 126 | 3 37] 0 36) Sare 
140 | 5 00}| 1 00 aye 140 | 4 33| 0 56| =z 
147 5 32| 0 32 os 154 | 5 48] 1 15] ges 
151 5 54] 0 22 oe 161 6 12] 0 24] of82',, 
wv te Oe 
: 2S C RSs 
89 Mean f=] 90°4 Mean [a] 
