10 Tensile Strength of Colonial Timbers. 



VIII. Kedgum. Eucalyptus rostrata. Victoria. 



Lbs. per in. 



a. 14,000/21,500. Broken. Long fracture. 



b. 16,200. Broken. Long fracture. 



c. 15,700. Broken. Long fracture. The last specimen 



at a disadvantage, not being hung perfectly 

 straight. 



IX. Cedar. Cedrela Australis. Queensland. 



Lbs. per in. 



a. 2000/3000. Broken. Short fracture. 



b. 2500. Broken. Short fracture. Specimen area, J in. 



West Indian Cedar, according to Molesivorth, is 5000 lbs. 



X. Ironbark. Eucalyptus siderophloia. Sydney. 



Lbs. per in. 



a. 26,500. Entirely pulled through. 



b. 21,000. Broken. Tolerably long fracture. 



The grain is not at all uniform, being much twisted in 

 parts. 



For the botanical names of the various timbers given, I 

 am indebted to Baron von Mueller, the Government 

 Botanist. 



