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

XXXVII.] {| Transverse experiments.—Top length. specimen. required to break each piece. to sepcific gravity 600. to break 1 square inch. apparatus weighing 390 lbs. weight was removed. of breaking cohesion on 1 square in. of the specimen. –These specimens broke with a moderate length of fracture.
 * colspan=2 rowspan=2 |Number of the
 * colspan=2 rowspan=2 |Number of the
 * colspan=3 |Deflections.
 * rowspan=2 |Total weight
 * rowspan=2 |Specfic gravity.
 * rowspan=2 |Weight required
 * rowspan=2 |Weight required
 * colspan=2 |Tensile Experiments
 * With the
 * With the
 * After the
 * At the crisis
 * Direct
 * Number
 * colspan=2|
 * Inches.
 * Inch.
 * Inches.
 * lbs.
 * lbs.
 * lbs.
 * 23|||c′
 * 1.50
 * .15
 * 3.50
 * 660
 * 534
 * 741
 * 165.0
 * 24|||b′
 * 1.65
 * .20
 * 3.50
 * 630
 * 560
 * 675
 * 157.5
 * 25|||a′
 * 1.60
 * .00
 * 2.25
 * 490
 * 580
 * 507
 * 122.5
 * 26|||a
 * 1.40
 * .00
 * 3.75
 * 690
 * 595
 * 696
 * 172.5
 * 3,412
 * 41
 * 27|||b
 * 1.50
 * .15
 * 4.25
 * 660
 * 540
 * 733
 * 165.0
 * 3,220
 * 42
 * 28|||c
 * 1.60
 * .00
 * 4.75
 * 700
 * 545
 * 771
 * 175.0
 * 2,485
 * 43
 * colspan=2|Total
 * 9.25
 * .50
 * 22.0
 * 3830
 * 3354
 * 4123
 * 957.5
 * colspan=2|Aver.
 * 1.541
 * .083
 * 3.666
 * 638.3
 * 559
 * 687
 * 159.58
 * }
 * colspan=2|Total
 * 9.25
 * .50
 * 22.0
 * 3830
 * 3354
 * 4123
 * 957.5
 * colspan=2|Aver.
 * 1.541
 * .083
 * 3.666
 * 638.3
 * 559
 * 687
 * 159.58
 * }
 * 687
 * 159.58
 * }
 * }
 * }

E = 636440. S = 1676.

–These specimens broke with a moderate length of fracture.

E = 735920. S = 1818.