FIG. 
18. 
19, 
ILLUSTRATIONS 
PLATE 1 
Testing machine equipped for timber testing. 
TEXT FIGURES 
- Apparatus used for bending tests on large beams. 
- Deformation curve. 
- Deformation curve. 
Apparatus used for testing small clear beams. 
Apparatus used in making tests of compression parallel to grain. 
Diagram for tests in compression parallel to grain. 
. Apparatus used in making tests in compression perpendicular to 
grain. 
- Typical load deformation diagram for tests in compression per- 
pendicular to grain. 
. Apparatus used in making shearing tests. 
- Apparatus used in testing hardness of timber. 
. Percentage of average modulus of rupture. 
. Percentage of average modulus of rupture. 
. Percentage of average modulus of rupture. 
- Percentage of average modulus of rupture. 
- Relation between dry weight and modulus of rupture obtained 
from tests on small clear beams. 
- Relation between dry weight and modulus of rupture obtained 
from tests on small clear beams. 
- Relation between dry weight and modulus of rupture obtained 
from tests on small clear beams. : 
Relation between dry weight and modulus of rupture obtained 
from tests on large beams. = 
Relation between dry weight and modulus of rupture obtained 
from tests on large beams. 
535 
