Page:Timber and Timber Trees, Native and Foreign.djvu/196

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Table LXXX VI.—Mahogany (Honduras).
Transverse Experiments.

Number of the specimen.	Deflections.			Total weight required to break each piece.	Specific gravity.	Weight reduced to specific gravity 700.	Weight required to break 1 square inch.
	With the apparatus weighing 390 lbs.	After the weight was removed.	At the crisis of breaking.
	Inches.	Inch.	Inches.	lbs.			lbs.
1	2.000	.100	4.500	811	644.0	881.0	202.750
2	1.750	.000	3.750	821	684.0	840.0	205.250
3	2.250	.100	3.750	750	650.0	808.0	187.500
4	2.000	.050	3.550	756	662.0	799.0	189.000
5	1.650	.100	4.150	823	650.0	887.0	205.750
6	1.850	.150	4.650	851	666.0	894.0	212.750
Total	11.500	.500	24.350	4,812	3956.0	5109.0	1203.00
Average	1.916	.083	4.058	802	659.3	851.5	200.50

Remarks—Each piece broke with moderate length of fracture, and splintery.

Table LXXXVII.
Tensile Experiments.

Number of the specimen.	Dimension 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	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \\\ \\\ \\\ \ \end{matrix}}\right.}$	662	10,920	2,730
8				650	12,040	3,010
9				644	9,940	2,485
10				666	14,280	3,570
11				684	12,740	3,185
12				650	12,040	3,010
Total.	...			3956	71,960	17,990
Average.	...			659	11,993	2,998