Page:Timber and Timber Trees, Native and Foreign.djvu/250

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Table CXX.
Tensile Experiments.

Number of the specimen.	Dimensions of each piece.			Specific gravity.	Weight the piece broke with.	Direct cohesion on 1 square inch.
	Inches.				lbs.	lbs.
1	$\scriptstyle {\left.{\begin{matrix}\ \\\\\ \\\ \\\ \ \end{matrix}}\right\}\,}$	2 × 2 × 30	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \ \end{matrix}}\right.}$	808	28,560	7,140
2				815	27,440	6,860
3				815	23,520	5,880
4				836	22,960	5,740
Total	...			3274	102,480	25,260
Average	...			819	25,620	6,405

 

Table CXXI.
Vertical or Crushing Strain on cubes of 2 inches.

No. 5.	No. 6.	No. 7.	No. 8.	Total.	Average.	Ditto on 1 square inch.
Tons.	Tons.	Tons.	Tons.	Tons.	Tons.
14.25	15.	15.125	15.	59.375	14.844	3.711