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Wood and Forest

Wood and Forest

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Wood and Forest by William Noyes

Chapter 1 Hickory, young oak, especially red oak Up to 10

The figures are the average of radial and tangential shrinkages.

Footnote 4: How much different woods vary may be seen by the following table, taken from Filibert Roth, Timber, Forest Service Bulletin No. 10, p. 28:

WEIGHT OF KILN-DRIED WOOD OF DIFFERENT SPECIES.

Approximate.

Specific weight. Weight of

1 cubic foot. 1,000 feet of lumber.

Pounds Pounds

(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 .60-.70 36-42 3,200

(c) Woods of medium weight:

Southern pine, pitch pine, tamarack, Douglas spruce, western hemlock, sweet gum, soft maple, sycamore, light sassafras, mulberry, grades of birch and cherry .50-.60 30-36 2,700

(d) Light woods:

Norway and bull pine, red cedar, cypress, hemlock, the heavier spruce and fir, redwood, basswood, chestnut, butternut, tulip, catalpa, buckeye, heavier grades of poplar .40-.50 24-30 2,200

(e) Very light woods:

White pine, spruce, fir, white cedar, poplar .30-.40 18-24 1,800

Footnote 5: For table of weights of different woods see Sargent, Jesup Collection, pp. 153-157.

Footnote 6: See Forestry Bulletin No. 70, pp. 11, 12, and Forestry Circular No. 108.

Footnote 7: For table of strengths of different woods, see Sargent, Jesup Collection, pp. 166 ff.

Footnote 8: For table of elasticity of different woods, see Sargent, Jesup Collection, pp. 163 ff.

Footnote 9: For table of hardnesses of different woods, see Sargent, Jesup Collection, pp. 173 ff.

Footnote 10: For detailed characteristics of different woods see Chapter III.

THE PROPERTIES OF WOOD.

References* Moisture and Shrinkage. Roth, For. Bull., No. 10, pp. 25-37.

Busbridge, Sci. Am. Sup. No. 1500. Oct. 1, '04.

Weight, Strength, Cleavability, Elasticity and Toughness. Roth, For. Bull., 10, p. 37-50.

Boulger, pp. 89-108, 129-140.

Roth, First Book, pp. 229-233.

Sargent, Jesup Collection, pp. 153-176.

Forest Circulars Nos. 108 and 139.

* For general bibliography, see p. 4.

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3 Chapter 3 No.3
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4 Chapter 4 No.4
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5 Chapter 5 No.5
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6 Chapter 6 No.6
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7 Chapter 7 No.7
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8 Chapter 8 No.8
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9 Chapter 9 No.9
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10 Chapter 10 No.10
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11 Chapter 11 No.11
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12 Chapter 12 No.12
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13 Chapter 13 No.13
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14 Chapter 14 No.14
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15 Chapter 15 No.15
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16 Chapter 16 No.16
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17 Chapter 17 No.17
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18 Chapter 18 No.18
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19 Chapter 19 No.19
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20 Chapter 20 No.20
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21 Chapter 21 No.21
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22 Chapter 22 No.22
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23 Chapter 23 No.23
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24 Chapter 24 No.24
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25 Chapter 25 No.25
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26 Chapter 26 No.26
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27 Chapter 27 No.27
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28 Chapter 28 No.28
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29 Chapter 29 No.29
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30 Chapter 30 No.30
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31 Chapter 31 No.31
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32 Chapter 32 No.32
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33 Chapter 33 No.33
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34 Chapter 34 No.34
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35 Chapter 35 No.35
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36 Chapter 36 No.36
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37 Chapter 37 No.37
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38 Chapter 38 No.38
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39 Chapter 39 No.39
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40 Chapter 40 No.40
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