Page:Timber and Timber Trees, Native and Foreign.djvu/269

XXIX.] {| Vertical or Crushing Experiments. of the specimen. of the sepcimen. in square inches. gravity with 1 square inch.
 * Number
 * Number
 * Length
 * colspan=2|Scantling.
 * colspan=2|Area
 * colspan=3|Weight
 * Specfic
 * Crushed
 * Ditto on
 * Inches.
 * colspan=2|Inches.
 * colspan=2|
 * lbs.||colspan=2 |oz.
 * Tons.
 * Tons.
 * 25
 * 1
 * rowspan=15|
 * rowspan=15 |2 × 2
 * rowspan=15 |4
 * rowspan=15 |
 * 0||1|||
 * 9.875
 * 2.469
 * 26
 * 2
 * 0||2|||
 * 8.437
 * 2.109
 * 27
 * 3
 * 0||3|||½
 * 11.500
 * 2.875
 * 28
 * 4
 * 0||4|||½
 * 9.000
 * 2.250
 * 29
 * 5
 * 0||7|||
 * 10.500
 * 2.625
 * 30
 * 6
 * 0||8|||½
 * 11.250
 * 2.812
 * 31
 * 7
 * 0||10|||
 * 11.125
 * 2.781
 * 32
 * 8
 * 0||10|||½
 * 11.000
 * 2.750
 * 33
 * 9
 * 0||12|||
 * 10.000
 * 2.500
 * 34
 * 10
 * 0||15|||
 * 8.000
 * 2.000
 * 35
 * 11
 * 1||1|||
 * 9.750
 * 2.437
 * 36
 * 12
 * 1||3|||
 * 11.125
 * 2.781
 * 37
 * 18
 * 1||6|||
 * 9.875
 * 2.469
 * 38
 * 24
 * 1||8|||½
 * 6.875
 * 1.719
 * 39
 * 30
 * 2||5|||½
 * 7.375
 * 1.844
 * 40
 * 12
 * rowspan=4|
 * rowspan=4 |9½ × 10½
 * rowspan=4 |100
 * rowspan=4 |
 * 28||1|||
 * 647
 * 367.80
 * 3.678
 * 41
 * 15
 * 27||7|||
 * 506
 * 214.70
 * 2.147
 * 42
 * 18
 * 33||0|||
 * 507
 * 245.40
 * 2.454
 * 43
 * 21
 * 48||3|||
 * 634
 * 245.40
 * 2.454
 * 44
 * 18
 * rowspan=3|
 * rowspan=3 |10½ × 10½
 * rowspan=3 |110.25
 * rowspan=3 |
 * 44||18|||
 * 646
 * 107.00
 * 2.784
 * 45
 * 21
 * 54||11|||
 * 654
 * 307.00
 * 2.784
 * 46
 * 24
 * 55||4|||
 * 577
 * 279.20
 * 2.532
 * 47
 * 27
 * rowspan=2|
 * rowspan=2 |12x12
 * rowspan=2 |144
 * rowspan=2 |
 * 85||0|||
 * 604
 * 378.72
 * 2.630
 * 48
 * 30
 * 92||6|||
 * 593
 * 396.28
 * 2.752
 * }
 * 18
 * rowspan=3|
 * rowspan=3 |10½ × 10½
 * rowspan=3 |110.25
 * rowspan=3 |
 * 44||18|||
 * 646
 * 107.00
 * 2.784
 * 45
 * 21
 * 54||11|||
 * 654
 * 307.00
 * 2.784
 * 46
 * 24
 * 55||4|||
 * 577
 * 279.20
 * 2.532
 * 47
 * 27
 * rowspan=2|
 * rowspan=2 |12x12
 * rowspan=2 |144
 * rowspan=2 |
 * 85||0|||
 * 604
 * 378.72
 * 2.630
 * 48
 * 30
 * 92||6|||
 * 593
 * 396.28
 * 2.752
 * }
 * 593
 * 396.28
 * 2.752
 * }

The Riga is of slower growth than the Dantzic Fir, the difference being about 0.4 layers per inch in diameter (vide Table II.); this, in view of the theory previously set up, indicates that it is inferior to the Dantzic Fir. Contracts for the supply of Riga Fir timber, and hand-masts for the royal navy, are made annually; the quantities of each kind varying according to the requirements of the several dockyards. They are received under the following specification and conditions, viz., the timber at per load of 50 cubic feet, and the hand-masts at each.