Page:Timber and Timber Trees, Native and Foreign.djvu/351

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XXXIX.]
ABSTRACT TABLES
331

Table CLXX.—(Continued.)
Name of the Wood. Numerical
order of
transverse
strength.
Weight per
cubic foot.
Strength
per formula.
Comparative
transverse
strength,
English Oak
being = 1.000
Deflection
at the crisis
of breaking
in inches.
Elasticity
per forumla,
Comparative
elasticity
English Oak
being=1.000
Mahogany, Cuba 19 48.06 2247 1.061 3.450 771030 1.734
Oak, French 20 64.31 2242 1.059 7.187 622720 1.400
Oak, Modena 21 69.31 2212 1.045 6.295 400240 .900
Oak, English 22 51.72 2117 1.000 6.286 444680 1.000
Oak, American White 23 61.44 2110 .997 8.833 528650 1.189
Mahogany, Honduras 24 41.19 2105 .994 4.058 492550 1.130
Mahogany, Mexican 25 42.37 2054 .970 3.925 846100 1.903
Oak, Sardinan 26 61.87 1990 .940 6.500 363450 .817
Oak, Tuscan 27 65.00 1989 .939 766.0 248950 .560
Oak, Baltimore 28 49.69 1897 .896 7.133 703230 1.581
Kauri, New Zealand 30 64.31 1889 .883 4.210 778300 1.750
Blue Gum, Australia 30 64.31 1869 .883 4.210 778300 1.750
Jarrah, Australia 31 63.12 1800 .850 4.710 296810 .667
Fir, Spruce, Canada 32 30.25 1759 .831 5.187 771800 1.735
Oak, Rhenish 33 64.12 1729 .816 6.716 276550 .622
Pine, Red, Canada 34 34.56 1715 .810 4.625 588900 1.324
Ash, American 35 30.00 1675 .791 7.375 343980 .773
Larch, Russian 36 40.37 1643 .776 4.330 649130 1.459
Fir, Riga 37 33.81 1575 .744 3.625 752420 1.692
Oak, Spanish 38 65.12 1474 .696 6.616 239190 .537
Cedar, Cuba 39 27.44 1470 .694 4.366 449710 1.011
Pine, Yellow, Canada 40 32.08 1409 .665 3.837 621050 1.396
Oak, Dantzic 41 34.87 1243 .587 6.458 189680 .427
Elm, English 42 34.87 1032 .487 5.291 250820 .564