Page:Timber and Timber Trees, Native and Foreign.djvu/82

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Table XIX.
Vertical or Crushing Experiments on British Oak, with 16 square inches of base.

Number of the specimen.	Dimensions of the pieces.					Specific gravity.	Crushed with	Do. on the square inch.
	Inches.						Tons.	Tons.
123	4	×	4	×	15	958	25.50	1.600
124	4„		4„		16	972	25.25	1.578
125	4„		4„		17	934	27.00	1.687
125	4„		4„		18	930	27.50	1.719
127	4„		4„		19	932	28.25	1.762
128	4„		4„		20	972	28.25	1.762
129	4„		4„		21	946	28.00	1.750
130	4„		4„		22	932	26.00	1.625
131	4„		4„		23	921	23.50	1.470
132	4„		4„		24	1.003	30.00	1.875

 

Table XX.
Vertical or Crushing Experiments on British Oak, with 9 square inches of base.

Number of the specimen.	Dimensions of the pieces.					Specific gravity.	Crushed with	Do. onthe square inch.
	Inches.						Tons.	Tons.
133	3	×	3	×	8	696	25.25	2.805
134	3„		3„		9	597	21.00	2.333
135	3„		3„		10	742	20.25	2.250

Note.—These were respectively Nos. 115, 118, and 121 of Table XVIII., shortened, and further seasoned.