258 



TABLE 239.— DENSITY IN g/cm :l AND IN lb/ft 3 OF DIFFERENT KINDS 



OF WOOD 



Wood is to be seasoned and of average dryness. See also Tables 237 and 238. 



Wood g/cm' 1 



Alder 42- .68 



Apple 66- .84 



Ash 65- .85 



Balsa <Cork 



Bamboo 31- .40 



Basswood 

 (See Linden) 



Beech 70- .90 



Birch 51- .77 



Blue gum 1.00 



Box 95-1.16 



Bullet-tree 1.05 



Butternut 38 



Cedar 49- .57 



Cherry 70- .90 



Cork 22- .26 



Dogwood 76 



Ebony 1.11-1.33 



Elm 54- .60 



Greenheart 93-1.04 



Hazel 60- .80 



Hickory 60- .93 



Holly 76 



Iron-bark 1.03 



Juniper 56 



Laburnum 92 



lb/ft 3 

 26-42 

 41-52 

 40-53 



19-25 



43-56 



32-48 



62 



59-72 



65 



24 



30-35 



43-56 



14-16 



47 



69-83 



34-37 



58-65 



37-49 



37-58 



47 



64 



35 



57 



Wood K/cnV 11) /ft 3 



Lancewood 68-1.00 42-62 



Lignum vitae 1.17-1.33 73-83 



Linden or lime-tree.. .32- .59 20-37 



Locust 67- .71 42-44 



Logwood 91 57 



Mahogany, Honduras. .65 41 



Mahogany, Spanish . . .85 53 



Maple 62- .75 39-47 



Oak ' 60- .90 37-56 



Pear-tree 61- .73 38-45 



Pine, eastern white... .35- .50 22-31 



Pine, larch 50- .56 31-35 



Pine, pitch 83- .85 52-53 



Pine, red 48- .70 30-44 



Pine, Scotch 43- .53 27-33 



Pine, spruce 48- .70 30^14 



Pine, yellow 37- .60 23-37 



Plum-tree 66-78 41-49 



Poplar 35- .5 22-31 



Satinwood 95 59 



Sycamore 40- .60 24-37 



Teak, African 98 61 



Teak, Indian 66- .88 41-55 



Walnut 64- .70 40-43 



Water gum 1.00 62 



Willow 40- .60 24-37 



TABLE 240.— DENSITY (g/cm 3 ) OF SOME FOREIGN WOODS ON THE 

 AMERICAN MARKET* 



Almon 464 



Balsa 11 



Boxwood, West Indian 83- .88 



Bullet- wood, Guiana 1.03-1.23 



Carreto 84 



Cedar, Spanish 38 



Cocobola 1.20 



Cocus 1.25 



Fustic 68 



Koa 83 



Lauaan, red 41 



Mahogany, African 55 



Mahogany, E. Indian 38 



Mora 1.07-1.09 



Oak, English 60- .78 



Olive 94 



Orangewood 70 



Padouk 89-1.29 



Prima vera 58 



Purple-heart 72- .97 



Quebracho 1 .25 



Rosewood, Brazil 77- .84 



Rosewood, Honduras 1.09-1.23 



Sabicu 90- .96 



Snakewood 1 .05-1 .33 



Tamarind 1 .32 



Tanguile 47- .51 



Wallaba 93- .94 



Zebrawood 1 .03 



Table prepared by W. N. Watkins, U. S. National Museum. 



SMITHSONIAN PHYSICAL TABLES 



