Page:Timber and Timber Trees, Native and Foreign.djvu/289

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Table CXLIII.
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.
7	$\scriptstyle {\left.{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \ \end{matrix}}\right\}\,}$	2 × 2 × 30	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \ \end{matrix}}\right.}$	416	11,760	2,940
8				425	11,200	2,800
9				504	12,320	3,080
10				530	10, 640	2,660
Total.	...			1875	45,920	11,480
Average .	...			469	11,480	2,870

 

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

No. 11.	No. 12.	No. 13.	No. 14.	Total.	Average.	Ditto on 1 square inch.
Tons.	Tons.	Tons.	Tons.	Tons.	Tons.
8.00	7.75	9.00	7.25	32.00	8.00	2.00

E = 449710.S = 1470.