12 



Croes-ltrt'.lkinf; slit-ni^lh in atiimspluTfs. 

 Fig. 7. — Relation between cross breaking strength aiiil nioilulus olCliisticity or stiffness lor Tine. Lanli. Sprmi-, and 



Fir timlier. (Alter Uansrliinger.) 

 I Cross lirtakinj; stri-njith — (J.UIUS ranihilus ul ihiatiiit.v + 450.) 



Speciiic {gravity (reduft'd tii 15 per i-ent moisture) . 

 Fig. 8. — Kelatiou between compressive strength and specific gravity or weigbt lor Pine, Larch. Spruce, ami Fir 

 timber. (After Bauschinger.) [Compressive strength = 13,800 speciiic gravity — 900.] 



