206 



See the following two tables concerning Western Australian timbers, furnished 

 by Julius : — 



Name of Timber. 



Hardness. 



Local Name. 



Botanical Name. 



As det 

 produce 



;rmined by the Indentations 

 d by a suddenly applied load. 



As determined by static 



load required to produce 



given Indentation. 



Average Indentation in Mills. 





Load in lb. 













per sq. inch 









Number 

 of 



Minimum. 



Number 

 of 



required to 

 produce an 







Test6 





At 12 



Tests. 







- 









per cent. 





of 









Per cent. 



Depth 



Moisture. 









- 





Moisture. 



in Mills. 







Jarrab 



E. marginata ... 



47 



24 



90 128 



51 



4,500 



Karri ... 



E. diversicolor ... 



37 



45 



50 102 



43 



4,400 



Tuart 



E. gomphocephala 



52 



25 



50 



87 



59 



7,050 



Wandoo 



E. rcdunca 



44 



12 



55 



55 



54 



8,000 



Blackbutt 



E. patens 



38 



12 



105 



105 



40 



4,300 



Red Gum 



E. calophjlla ... 



45 



27 



85 



105 



49 



4,500 



Yate 



E. cornula 



19 



12 



25 



25 



19 



7,400 



York Gum 



E. loxophleba (foscunda) 



17 



24 



32 



40 



17 



7,600 



Salmon Gum ... 



E. salmonophloia 



16 



12 



60 



60 



18 



6,800 



Morrell 



E. longicornis ... 



19 



12 



50 



50 



20 



6,900 



Name 



>i Timber. 



Spalling Test. 







40 lb. dropped 5 feet on to cylindrical 







specimen 3 inches in length by 4 square 







inches sectional area carried on an anvil 



Local Name. 



Botanical Name. 



1 ton in weight. 













Number of blows sustained. 







Number 













of Tests. „ . ... 



Before failure 



I commenced. 



1 



Before 



complete 



failure. 



Jarrah 



E. marginata 



51 5 



6 



Karri 



E. diversicolor 







40 5 



6 



Tuart 



E. gomphocephala 







41 8 



10 



Wandoo 



E. redunca 







31 



16 



16 



Blackbutt 



E. patens ... 







39 



3 



5 



Red Gum 



E. calophijlla 







63 



4 



6 



Yate 



E. cornula 







11 



9 



12 



York Gum 



E. loxophleba (foscunda) 







37 



12 



15 



Salmon Gum 



E. salmonophloia 







4 



20 



24 



Morrell 



E. longicornis 







19 



17 



22 



