Kind of Wood.

Specific Gravity.

Weight of a cub. ft. in lbs.

Abele, dry........................

.511 T.

32.00

Acacia (false) green .. ..

.820 E.

51.25

" dry......................

.791 H.

49.43

" dry......................

.748 T.

46.75

„ (three thorned) ..

.676 H.

42.25

Alder...............................

.800 M.

50.00

" dry........................

.555 E.

34.68

Almond-tree...................

1.102H.

68.87

Apple-tree......................

.793 M.

49.56

Apricot-tree....................

.789 H.

49.31

Arbor vita? (Chinese).........

.560 H.

35.00

Ash (heart-wood) dry..........

.845 P.

52.81

,, dry ........

.832 W.

52.00

„ young wood, dry

.811 T.

50 63

,, .............................

.800 J.

50.00

,, ................................

.760 B.

47.50

„ (old tree) dry ..

.753 T.

47.06

,, dry.........................

.690 E.

43.12

Bay-tree.........................

.822 M.

51.37

Beech, meanly dry ..

.854 P.

53.37

,, ..............................

.852 M.

53.25

,, ............................

.720 H.

45.00

,, .............................

.696 B.

43.50

,, dry..........................

.690 E.

43.12

Birch, dry.......................

.720E.

45.00

Box (Dutch) ......

1.328 M.

83.00

,, dry..............................

1.030 J

64.37

,, ..................................

1.031 P.

64.43

from

1.024 B.

64.00

,, ..............................

to

.960 B.

60.00

,, dry............................

.950 W.

59.37

" (Turkey) ......

.949 R.

59.31

Brazil wood (red) ..

1.031 M.

64.43

Bullet-tree............................

1.048

65.50

Canary wood.......................

.723 R.

45.18

Cedar (Indian) .. ..

1.315 M.

82.18

" (Canadian) .. ..

.753 C.

47.06

„ (Virginian red) dry

.650 T.

40.62

„ (Palestine) ................

.596 M.

37.25

„ (American) .........

.560 M.

35.00

„ seasoned

.453 C.

28.31

Cedar of Libanus .. ..

.603 H.

37.68

„ „ dry ....

.486 T.

30.37

Cherry-tree..........................

.741 H.

46.31

,, dry............................

.672 T.

42.00

Chesinut (sweet) green ..

.875 E.

54.68

,, ................................

.685 H.

42.81

„ (sweet), dry ........

.606 T.

37.95

„ another specimen, dry.................................

.535 T.

33.45

Kind of Wood.

Specific Gravity.

Weight of a cub. ft. in lbs.

Chestnut (horse) ..........

.657 H.

41.06

,, ,, dry.. ..

.596 T.

37.28

„ „ another specimen, dry ..

.483 T.

30.18

Cocoa wood......................

. 1040 M.

65.00

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

. 240 M.

15.00

Cowrie..............................

.579

36.20

Crab-tree, meanly dry ..

.765 P.

47.81

Cypress...............................

. 655 H.

40.93

„ (Spanish) ...........

.644 M.

40.25

Deal, white. See Fir.

„ yellow. See Pine.

Ebony (American) .. ..

1.331 M.

83.18

„ (Indian) .. ..

1.209 M.

75.56

,, (Indian)..................

1.108 R.

69.25

Elder-tree.............................

.695 M.

43.43

Elm, green...........................

.940 C.

58.75

,, ................................

.693 S.

44 41

,, seasoned......................

.588 C.

36.75

,, ..................................

.553 B.

34.56

„ (common) dry......

.544 E.

34.00

„ wych, young tree, green.................................

.763 E.

47.68

Elm, ditto, dry.....................

.684 T.

42.75

Filbert-tree..........................

.600 M.

37.50

Fir (Norway spruce)............

.512 T.

32.00

„ (white American spruce)..................................

.465 T.

29.06

Fir (silver) green .. ..

.531 Wi.

33.20

,, dry...................................

.403 Wi.

25.22

„ (Scotch). See Pine.

Fustic...............................

.817 R.

51.06

Greenheart (yellow)

from

.928

58.00

to

1.040

65.00

Hazel....................................

.606 M.

37.87

Hickory.......

.929 S.

58.06

Hornbeam..............................

.760 H.

47.50

Iron bark..............................

1.032

64.50

Jarrah...................................

Jasmine (Spanish) ..............

.770 M.

48.12

Juniper wood.......................

.556

34.75

Laburnum.............................

.813T.

52.70

Lancewood .....

1.038 L.

64.87

,, dry ....

.943 R.

58.93

Larch, preen ......

.858 Wi.

53.63

„ (red wood) seasoned

.640 T.

40.00

,, dry........

.612 Wi.

38.31

,, dry..........................

.496 T.

31.00

„ (white wood) sea.

soned...............................

364 T.

22.75

Kind of Wood.

Specific Gravity.

Weight of a cub. ft in lbs.

Lemon-tree........

.703

43.93

Letter-wood...............

1.286C.

80.37

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

1.173 T.

73.31

,, ..................

1.327 P.

82.93

Lime-tree .. .. ..

.604 M.

37.75

,, ..................

.564 H.

35.25

,, ..................

.480 T.

30.00

Locust (Jamaica) ..

.672

42.00

Logwood.....................

.913 P.

57.06

Mahogany (Spanish) dry ..

.852 T.

53.30

" dry.....................

.816 W.

51.00

„ (Honduras) dry

.560 T.

35.00

Maple (Norway) .. ..

.795 L.

49.68

" dry.........................

.755 P.

47.18

„ (common) dry......

624 T.

32.75

Medlar-tree.....................

.944 M.

59.00

Moreton Bay pine, dry......

.720

45.00

Mora, dry..........................

.912

57.00

Mulberry-tree (Spanish) ..

.897 M.

56.06

Oak (live) half seasoned ..

1.216 Ch.

76.03

„ (English) green .. ..

1.113 C.

69.56

„ (French) green .. ..

1.063 Bu.

66.43

" (Irish bog)................

1.046C.

65.37

" (evergreen)...............

.994 H.

62.25

„ (Adriatic).....

.993 B.

62.06

„ (black bog) dry .. ..

.965 R.

60.31

„ (white American) half seasoned .. .. ..

.908 Ch.

56.75

Oak (Q. sessiliflora) dry ..

.879 T.

54.97

„ (American) white....

.840 H.

52.50

„ (Provence) seasoned ..

.828 D.

51.75

„ (Q. pedunculata) dry..

.807 T.

60.47

„ (English) seasoned ..

.777 c

48.56

„ (Dantzic) seasoned ..

.755 T.

47.24

„ (American) red .. ..

.752 L.

47.00

„ (Riga) dry......

.688 T.

43.00

„ (English) from an old tree, dry...............

.625 T.

39.06

Olive-tree................

.927 M.

57.93

Orange-tree.............

.705 M.

44.06

Pear-tree, dry.............

.708 T.

44.25

" ......................

616 II.

40.37

Pine (American pitch) dry

.936 T.

58.5

„ (ditto) seasoned.. ..

.741 C.

46.31

„ (pinaster) green.. ..

.837 Wi.

62.35

„ (Scotch) green ..

.816 Wi.

51.08

Kind of Wood.

Specific Gravity.

Weight of a cub. ft in lbs

Pine (Mar Forest) .. ..

.696 B.

43.50

„ (planted Scotch) dry

.529 T.

33.06

„ (Scotch) dry .. ..

.429 Wi.

26 81

„ (Memel) dry .

from

.553

34.56

to

.544 T.

34.00

„ (Riga) dry

from

.480

30.00

to

.466 T.

29.12

„ ( Weymouth) dry ..

.460 T.

23.75

„ (American Red) dry

.576

36.00

Plane (occidental) dry ..

.648 E.

40.50

„ (oriental) ..

.538 H.

33 62

Plane-tree (common). See Sycamore.

.

Plume-tree............

. 785 M.

49.06

" ................

.663 P.

41.43

Poon (seasoned) .. ..

.635 C

39.95

Poplar (Spanish, white) ..

.529 M.

33.06

„ (black) dry .. ..

.421 T.

26.31

„ (Lombardy) dry ..

.374 E.

24.37

Quince-tree.....................

.705 M.

44.06

Satinwood.......................

.482 P.

30.12

Satinwood........

.952 R.

59.50

Saul (Bengal) seasoned ..

994 L.

62.42.

Service-tree........................

.742 H.

46.37

Sissoo (Bengal) seasoned

.889 L.

65.52

Stinkwood (seasoned) ..'

.681 C.

42.56

Stringy Bark.......................

.864

54.00

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

645 H.

40.31

" dry.........................

690 E

36.87

Teak, dry...........................

.832 Ch.

52.00

" ..........................

.745 B.

4656

„ seasoned .....

.657 C.

41.06

Tulip-tree.......................

.477 H.

29.81

Vine.............................

1.237 M.

77.31

Walnut-tree, green ..

.920 E

57.50

„ (American)

.735 H.

45.93

„ (French) ..

.671 M.

41.93

,, dry .. ..

.616 T.

38.50

Willow, green....................

.619 E.

38.68

„ dry .......

from

.568

35.50

to

.404 T.

25.25

Yellow wood, seasoned ..

.657 C.

41.06

Yew (Spanish).....................

.807 M.

50.43

" (Dutch).......................

.788 M.

49.25

" ....................................

.788 H.

48.62

The letters following the specific gravities refer to the authorities; B. Barlow; Bu. Buffon; C. Couch; Ch. from 'Chapman on Preservation of Timber'; E. Ebbels; H. from Rondelet's Table; J. Jurin; L. Layman; M. Muschenbroek; P. 'Philosophical Transactions,' vol. i., Lowthorp's Abridgment; R. Ralph Tredgold, who collected the information in this and the following Table; S. Scoresby; T. from the Author's own experiments; W. Watson (Bishop); and Wi. Wiebeking.