Page:Timber and Timber Trees, Native and Foreign.djvu/77

IX.] {|
 * colspan=6|Specimens as in Table X., weighted with 400 lbs.
 * colspan=2 |Supports, apart.
 * 3 Feet.
 * 4 Feet.
 * 5 Feet.
 * 6 Feet.
 * No.
 * Sp. gr.
 * Inches.
 * Inches.
 * Inches.
 * Inches.
 * 37
 * 795
 * .375
 * .625
 * 1.250
 * 2.125
 * 38
 * 785
 * .312
 * .625
 * 1.125
 * 2.000
 * 39
 * 782
 * .250
 * 750
 * 1.187
 * 2.125
 * 40
 * 775
 * .437
 * .625
 * 1.312
 * 2.000
 * Total
 * 3.137
 * 1.374
 * 2,625
 * 4.874
 * 8.250
 * Average.
 * .784
 * .343
 * .656
 * 1.218
 * 2.062
 * }
 * 4.874
 * 8.250
 * Average.
 * .784
 * .343
 * .656
 * 1.218
 * 2.062
 * }
 * }

Further experiments with reference to deflections were made upon a piece of English Oak, 2 × 2 × 84 inches, specific gravity 792, with the following result:—