Wood.

Specific Gravity.

Weight of

One Cubic

Foot.

Water = 1.

Pounds.

Ash.....................................................

.84

52.4

" with 20 per cent, moisture........................

.70

43.7

Apple tree......................

.79

45.5

Bamboo...................

.31-.40

19.5-24.9

Beech.......................................................

.75-.85

46.8-50.3

" with 20 per cent, moisture......................

.82

51.1

" cut one. year....................

.66

41.2

Birch.............................

.72-.74

44.9-46.1

Boxwood.................................

1.04

64.8

Cedar of Lebanon..................

.49-.57

30.6-35.5

Cork....................................

.24

15.0

Cypress, cut one year.................................

.66

41.2

Ebony...................................

1.13

70.5

Elder pith...........................

.076

4.74

Elm...............................

.55-. 67

34.3

" Green...................................................

.76

47.5

" with 20 per cent, moisture.................................

.72

44.9

Fir, Norway Pine.............................................

.74

46.1

" Spruce............................

.48-70

29.9-43.7

" Larch..............................

.50-.64

31.2-39.9

" White Pine, Scotch............................

.53

34.3

" " with 20 per cent, moisture............................

.49

30.6

" Yellow Pine, American............................

.46

28.7

" " " English............................

.66

41.2

Lignum-Vitae............................

.65-1.33

40.5-82.9

Mahogany, Cuba.............................

.56-1.06

34.9

" Honduras............................

.56-1.06

34.9

Maple............................

.65-.73

40.5

" 20 per cent, moisture.............................

.67

41.8

Mulberry.............................

.89

55.5

Oak, American............................

.87

54.2

Poplar............................

.39

24.3

" White............................

.32-. 51

20.0-31.8

" 20 per cent, moisture............................

.48

29.9

Rock-Elm.............................

.80

50.0

Sycamore............................

.59

36.8

Walnut............................

.58

42.4

Willow............................

.49

30.6