Page:Timber and Timber Trees, Native and Foreign.djvu/162

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Table LXV.
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.
4	$\scriptstyle {\left.{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \\\ \ \end{matrix}}\right\}\,}$	2 × 2 × 30	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \\\ \ \end{matrix}}\right.}$	987.0	30,240	7,560
5				972.0	29,120	7,280
6				1080.0	34,720	8,680
7				954.0	20,160	5,040
8				1115.0	42,000	10,500
Total.	...			5108	156,240	39,060
Average	...			1021.6	31,248	7,812

E = 832990.S = 3264.

The following woods are-also found in the Philippine Islands, namely—

2.	Lauan,	11.	Mangachapuy,
3.	Banaba,	12.	Karra,
4.	Dougon,	13.	Guigo,
5.	Ypil,	14.	Camayuan,
6.	Lacolaco,	15.	Malatapay,
7.	Acle,	16.	Palo Maria,
8.	Tindalo (two sorts),	17.	Mapilia,
9.	Diladila,	18.	Mambog,
10.	Yacal,	19.	Bolongnita,

and some of them are considered to be of a very useful description, Nos. 2 and 7 especially so. The Lauan timber (No. 2), after some experiments had been made on specimens 0.39371 inches square by 39.371 inches in length, with the following results, was