Page:Timber and Timber Trees, Native and Foreign.djvu/216

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Table XCVI.
Tensile Experiments.

Number of the specimen.	Dimensions of each piece.			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	$\scriptstyle {\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.}$	987	10,080	2,520
8				1006	13,440	3,360
Total	...			1993	23,520	5,880
Average	...			996	11,760	2,940

 

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

No. 9.	No. 10.	No. 11.	No. 12.	No. 13.	No. 14.	Total.	Average.	Ditto on 1 square inch.
Tons.	Tons.	Tons.	Tons.	Tons.	Tons.	Tons.	Tons.
12.875	13.000	12.625	12.750	12.750	12.750	76.75	12.792	3.198

E = 296810.S = 1800.

THE KARI TREE (Eucalyptus diversicolor)

is found in Western Australia, and is said to be very abundant. It is of straight growth, and can be obtained of extraordinary size and length; no reasonable limit to its dimensions being necessary, except that of the