Page:Timber and Timber Trees, Native and Foreign.djvu/321

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Tabe CLXIII.—Kauri (New Zealand).
Transverse experiments.—Top length.

Number of the specimen.		Deflections.			Total weight required to break each piece.	Specfic gravity.	Weight required to sepcific gravity 600.	Weight required to break 1 square inch.	Tensile Experiments
		With the apparatus weighing 390 lbs.	After the weight was removed.	At the crisis of breaking					Direct cohesion on 1 square in.	Number of the specimen.
		Inches.	Inch.	Inches.	lbs.			lbs.	lbs.
23	c′	1.500	.150	3.500	660.0	534	741	165.00	—	—
24	b′	1.650	.200	3.500	630.0	560	675	157.50	—	—
25	a′	1.600	.000	2.250	490.0	580	507	122.50	—	—
26	a	1.400	.000	3.750	690.0	595	696	172.50	3,412	41
27	b	1.500	.150	4.250	660.0	540	733	165.00	3,220	42
28	c	1.600	.000	4.750	700.0	545	771	175.00	2,485	43
Total		9.250	.500	22.00	3830.0	3354	4123	957.50	—	—
Aver.		1.541	.083	3.666	638.3	559	687	159.58	—	—

Remarks–These specimens broke with a moderate length of fracture.

E = 636440. S = 1676.

 

Tabe CLXIV.
Transverse experiments.—Mid length.

Number of the specimen.		Deflections.			Total weight required to break each piece.	Specfic gravity.	Weight required to sepcific gravity 600.	Weight required to break 1 square inch.	Tensile Experiments
		With the apparatus weighing 390 lbs.	After the weight was removed.	At the crisis of breaking					Direct cohesion on 1 square in.	Number of the specimen.
		Inches.	Inch.	Inches.	lbs.			lbs.	lbs.
29	c′	1.500	.250	4.750	655.0	498	788	163.750	—	—
30	b′	1.650	.250	4.250	680.0	528	773	170.000	—	—
31	c′	1.400	.200	5.000	695.0	553	754	173.750	—	—
32	a	1.250	.150	4.500	740.0	560	793	185.000	3290	44
33	b	1.350	.150	4.250	680.0	545	749	170.000	3045	45
34	c	1.350	.250	4.000	705.0	556	761	176.250	3045	46
Total		8.500	1.250	26.750	4155.0	3240	4618	1038.750	—	—
Aver.		1.416	.208	4.458	692.5	540	769	173.125	—	—

Remarks–These specimens broke with a moderate length of fracture.

E = 735920. S = 1818.