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

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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	$\scriptstyle {\left.{\begin{matrix}\ \\\\\ \ \end{matrix}}\right\}\,}$	2 × 2 × 30	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \ \end{matrix}}\right.}$	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