Page:Timber and Timber Trees, Native and Foreign.djvu/175

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XXIV.]
GREENHEART.
155

Table LXXIV.
Tensile Experiments.
Number
of the
specimen.
Dimensions
of
the pieces.
Specific
gravity.
Weight the
piece broke
with.
Direct
cohesion on
1 square in.
  Inches.   lbs. lbs.
7 2 × 2 × 30 1152 31,920 7,980
8 1079 36,400 9,100
9 1193 37,520 9,380
Total ... 3424 105,840 26,460
Average ... 1141 35,280 8,820
Table LXXV.
Vertical Experwients on cubes of
Number
of the
specimen.
1 Inch. 2 Inches. 3 Inches. 4 Inches.
Crushed with Crushed with Crushed with Crushed with
  Tons. Tons. Tons. Tons.
10–13 7.00 27.000 57.125 93.150
14–17 6.75 27.362 58.000 92.875
18–21 6.75 27.750 57.250 92.625
22–25 6.50 27.000 56.875 93.500
Total 27.00 109.112 229.250 372.150
Average 6.75 27.278 57.312 93.037
Do. per in 6.75 6.819 6.368 5.814