| Specific | 1 | 1,000
| Weight | Cubic | Feet
| | Foot | Lumber
-----------------------------------------+----------+---------+-------
(_a_) Very Heavy Woods: | | |
Hickory, Oak, Persimmon, Osage Orange, | | |
Black Locust, Hackberry, Blue Beech, | | |
best of Elm and Ash |0.70-0.80 | 42-48 | 3,700
(_b_) Heavy Woods | | |
Ash, Elm, Cherry, Birch, Maple, Beech, | | |
Walnut, Sour Gum, Coffee Tree, Honey | | |
Locust, best of Southern Pine and | | |
Tamarack |0.60-0.70 | 36-42 | 3,200
(_c_) Woods of Medium Weight: | | |
Southern Pine, Pitch Pine, Tamarack, | | |
Douglas Spruce, Western Hemlock, | | |
Sweet Gum, Soft Maple, Sycamore, | | |
Sassafras, Mulberry, light grades of | | |
Birch and Cherry |0.50-0.60 | 30-36 | 2,700
(_d_) Light Woods: | | |
Norway and Bull Pine, Red Cedar, | | |
Cypress, Hemlock, the Heavier Spruces | | |
and Firs, Redwood, Basswood, Chestnut, | | |
Butternut, Tulip, Catalpa, Buckeye, | | |
heavier grades of Poplar |0.40-0.50 | 24-30 | 2,200
(_e_) Very Light Woods: | | |
White Pine, Spruce, Fir, White Cedar, | | |
Poplar |0.30-0.40 | 18-24 | 1,800
-----------------------------------------+----------+---------+-------

"FIGURE" IN WOOD

Many theories have been propounded as to the cause of "figure" in
timber; while it is true that all timber possesses "figure" in some
degree, which is more noticeable if it be cut in certain ways, yet
there are some woods in which it is more conspicuous than in others,
and which for cabinet or furniture work are much appreciated, as it
adds to the value of the work produced.

The characteristic "figure" of oak is due to the broad and deep
medullary rays so conspicuous in this timber, and the same applies to
honeysuckle. F