Kind of Wood.

Specific Gruv.

Modulus of

Elasticity in lbs. per square inch.

Cohesive

Force in lbs. per square inch.

Comparative. Oak being = 100.

Stiffness.

Strength.

Resilience.

Class L - (Coniferous.)

Riga pine (P. sylvestris) .. .. dry

.480

1,687,500

9,540

98

80

64

Memel pine „ ......

.544

1,957,750

9,540

114

80

56

Mar Forest pine ,, ...................

.684

845,066

7,323

49

61

76

Planted Scotch pine......dry

.460

951,750

7,110

55

60

65

Weymouth pine (P. strobus) .. „

.460

1,633,500

11,835

95

99

103

Pitch pine (P. strobus) ...........................

.660

1,252,200

9.796

73

82

92

Christiana white deal (A. excelsa) dry

.512

1,804,060

12,346

104

104

104

Planted spruce „ .. „

.555

1,393,975

8,370

81

70

60

American white spruce (A. alia) „

.465

1,244,000

10,296

72

86

102

Larch (L. Europa) ................. ,,

.643

1,363,500

12,240

79

103

134

Cedar of Libanus (Cedrut libani) „

.486

486,000

7,420

28

62

106

Cowrie (D. Australis)................ ,,

.579

1,982,400

10,960

116

92

74

Class II. - (Non-coniferous.)

English oak (Q. pedunculata) .. dry

.750

1,714,500

11,880

100

100

100

Riga oak .................................... ,,

.688

1,610,496

12,888

93

108

125

Dantzic oak........................... seasoned

.755

1,998.000

12,780

117

107

99

American oak (Q. alba) .......................

.867

1,958,700

10,253

114

86

64

Beech (F. sylvatica).........................dry

.690

1,316,000

12,225

77

103

133

Alder (A glutinosa)........................ ,,

.555

1,086,750

9,540

63

80

101

Plane (P. occidentalis) ............. ,,

.648

1,343,250

10,935

78

92

108

Sycamore (J. pseudo-platanus).. „

.590

1,036,000

9,630

59

81

111

Chestnut (P. castanea) .. .. dry

.535

1,147,500

10,656

67

89

118

,, ........................... green

.875

924,750

8,100

54

68

85

Ash (F. excelsior) .................... dry

.753

1,525,500

14,130

89

119

160

Elm (U. campestris) ............... ,,

.544

1,343,000

9,720

78

82

86

Acacia (R. pseudo-acacia).. ..green

.820

1,687,500

11,227

98

95

92

Spanish mahogany (S. mahogani) dry

.853

1,255,500

7,560

73

67

61

Honduras „ „ „

.560

1,593,000

11,475

93

96

99

Walnut (J. regia)........................green

.920

837,000

8,775

49

74

111

Poplar (P. dilatata)......dry

.374

763,000

5,928

44

50

57

Abele (P. alba)........„

511

1,134,000

10,260

66

86

112

Teak (T. grandis)..................................

.744

2,167,074

12,915

126

109

94

Poona (C. Burmanni) .. .. dry

.613

1,689,800

12,350

99

104

82

Turtosa........................................ ,,

.954

1,728,000

17,200

101

144

138