333 



showed that even at this age the timber is strong enough for 

 all ordinary engineering purposes, although it probably will 

 not have the same lasting properties. Manna Gum and 

 White Gum (E. ruhida) appear to be the poorest of our tim- 

 bers. 



I am indebted to Mr. Gill for so willingly supplying me 

 with the necessary timber, and also for the interest he has 

 taken in the work, which has been done at intervals as other 

 work permitted. My thanks are also due to Mr. W. E. Gray 

 for assistance with the experiments. 



Beam Experi>]ents (8.A. Timbers). 



