XXIV. ] MORA. 157 
TaBLE LXXVII.—Mora (DEMERARA AND TRINIDAD). 
Transverse Experiments. 
Deflections. Total Weight . 
Hi Weight 
weight 2 reduced 8 
Number | with the | Afterthe | At required Se to : peauued 
. apparatus weight e Crisis to bre: s speci 
apecupen: waching ids oO each bi aeavity - a 
390 Ibs. | removed. | breaking. R piece. 1000, Soa 
Inches. Inch, Inches Ibs. Ibs. 
I 2°00 "10 4°75 | 1,353 | 1075 | 1258 | 338°25 
2) 2°00 10 5‘00 1,363 | 1088 | 1253 | 340°75 
3 2°15 "15 5°00 1,304 | 1094 | 1192 | 326°00 
4 2°00 05 5°00 1,284 | 1ogo | 1178 | 321°00 
Total .| 8:15 “40 19°75 5304 | 4347 | 4881 |1326°00 
Average| 2°037 ‘10 4°94 1,326 |1086°75|1220'25| 331°5 
Remarxs.—Each piece broke with about 12 inches length of fracture. 
TABLE LXXVIII. 
Tensile Experiments. 
a pee Sp ecif ie biel the aa. 
specimen. | each piece. gravity. with. | square in. 
Inches. Ibs. Ibs. 
5 1094 | 37,800 | 9,450 
6 2x2x30|{ 1090 | 37,240 | 9,310 
7 1075 | 35,840 | 8,960 
Total . 3259 | 110,880 | 27,720 
Average 1086 | 36,960 | 9,240 
TABLE LXXIX. 
Vertical or Crushing Strain on cubes of 2 inches, 
No. 8. | No.g. | No. to. | No. 11. | No. 12. | No. 13. | Total. |Average.| Ditto on 
1 Square 
Tons. | Tons. | Tons, | Tons. | Tons. | Tons. | Tons. | Tons. inch, 
14°875 | 14°750 | 14°875 | 15°750| 15°750| 15°500| 91°50 | 15°25 | 3°812 
E = 466570. S = 3481. 
