Structural Qualities of Wood.

Very heavy, very hard, strong, exceptionally tough and flexible, not durable when exposed.

Representative Uses of Wood.

Largely used for agricultural implements, wheels, and runners, axe-handles, baskets, fuel.

Weight of Seasoned Wood in Pounds per Cubic Foot.

51 (U. S. Forestry Div.).[33]

52.

Modulus of Elasticity.

2,390,000 (average of 137 tests by U. S. Forestry Div.).[33]

1,900,000.