Table 1.- -Mechanical properties of odoko (Scottellia coriacea ) and the 
comparable hardwoods, European beech ( Fagus sylvatica ) and 
American beech ( Fagus grand if olia )i: (Continued) 
Property 
Species and origin 
Odoko 
(Scottellia 
coriacea ) 
Nigeria 
American 
Beech 
( Fagus 
grand i - 
folia ) 
United 
States 
European 
Beech 
( Fagus 
sylvatica ] 
United 
Kingdom 
European 
Beech 
( Fagus 
sylvatica ) 
•ope 
Hardness- 
Green - 
Green - 
Air-dry - end . 
Air-dry - side 
end lb , 
side lb, 
lb , 
lb 
Shear parallel to grain; maximum 
shearing strength 
Green p.s.i 
Air-dry p.s.i 
Cleavage; load to cause splitting 
Green lb. per in. of width 
Air-dry lb. per in. of width 
1,150 
990 
1,620 
1,090 
1,280 
5 1,910 
,H5 
Aoo 
970 
850 
1,590 
1,300 
1,290 
2,010 
1*90 
1,080 
960 
1,820 
1,1*1*0 
1.210 
2,030 
1*90 
525 
1,690 
1,180 
1*30 
■=This table shows results of tests on odoko and European beech made by the 
British Forest Products Eesearch Laboratory (l) . The results of tests on 
American beech were taken from Tech. Bull. No. 1*79 of the U. S. Dept . of 
Agr. (j). 
2 
-The load in pounds required to embed a 0.1*l*l*-inch steel ball to half its 
diameter. 
3 
—Limited number of tests. 
Report No. 1973 
(Sheet 2 of 2) 
