Name of Material.

Weight per

Foot.

B. M.

Weight per Cu. Ft. Pounds.

Specific Gravity.

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

3.9

47.0

.752

Ash, American white.....

3.2

38.0

.610

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

5.0

60.0

.960

Cherrv............................

3.5

42.0

.672

Chestnut.........................

3.4

41.0

.660

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

1.3

15.6

.250

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

2.9

35.0

.560

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

6.3

76.1

1.220

Hemlock .......................

2.1

25.0

.400

Hickory .........................

4.4

53.0

.850

Lignum vitae.................

6.9

83.0

1.330

Mahogany, Spanish.......

4.4

53.0

.850

Mahogany, Honduras ...

2.9

35.0

.560

Maple

4.1

49.0

.790

Oak, live.........................

4.9

59.3

.950

Oak, white......................

4.0

48.0

.770

Oak. red.........................

3.3

40.0

.640

Pine, white ...................

2.1

25.0

.400

Pine, yellow....................

2.8

34.3

.550

Pine, Southern................

3.7

45.0

.720

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

3.1

37.0

.590

Spruce............................

2.1

25.0

.400

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

3.2

38.0

.610