Page:Timber and Timber Trees, Native and Foreign.djvu/148

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128
TIMBER AND TIMBER TREES.
[CHAP. XX.


Table L.
Experiments on Specimens of Teak, to ascertain the elongation of the fibres in a length of 3 feet, under various strains, the dimensions of each piece being 2 × 2 × 48 inches.
Number
of the
specimen. 		2 Tons. 3 Tons. 4 Tons. S Tons. 6 Tons. 7 Tons. 8 Tons. 9 Tons. 10 Tons. Elongation
preceding
rupture. 		Breaking
strain.
78 1/32 1/l6 2/32 2/16 5/32 3/l6 ... ... ... 3/l6 7.5
79 1/32 1/l6 3/32 3/32 2/16 3/16 3/16 4/16 5/16 5/l6 10.25
80 ... 1/32 1/16 2/16 3/16 ... ... ... ... 3/16 7.00
The
mean 		.0313 .0521 .0729 .1145 .1249 .187 .187 .25 .312 .229 8.333
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