»")JN 



of combined hardness in the three directions. Asan example 

 take Blackbutt N.C.in Table III; it comes twelfth in column 

 O, thirteenth in column B, and tenth in column A. Now 

 adding these, we get the number 35. If we treat each 

 timber" similarly we get numbers as shown in Table IV. 

 Now arranging these in descending order of hardness we 

 get Table V. 



Table II.— Mean Hardness Numbers. 



Name. 



No. 



c 



B 



A 



/ Blackbutt 



1 



100 



76 



25 



Tallow Wood 





153 



103 



25 



^ Grey Gum 



3 



119 



66-5 



24 



| Grey Ironbark 



4 



77-5 



55-5 



15-5 



6 Blue Gum 



6 



154 



55-5 



235 



,c \ Brush Box 



7 



93 



42 



215 



"1 Turpentine 



8 



61 



37 



27-5 



S. j 1U-d Mahogany 



9 



143-5 



86-5 



27 5 



White Mahogany 



10 



95-5 



62-5 



26 



\ Colonial Teak 



11 



95 



116 



44 



_,_• / Grey Box 



12 



76 



43-5 



21 



% Woolly Butt 



O j Spotted Gum ... 



13 



57-5 



36 



21 



14 



51 





215 



— Turpentine 



15 



74-5 



38 





§ 1 Bkckbutt 



so 1 Stringy Bark 



16 



745 



53 



215 



18 



82 



S3 5 



29-5 



■ . : : 



2 Woolly Butt, S.C. 



3 Turpentine, E.C. 



4 Turpentine, S.C. 



5 Blackbutt, S.C. 



7 '.ivy In.nhark, N.C. 



* String I ! irk, S.C. 



9 Brush Box, N,C. 

 10 Colonial Teak, N.C. 

 li Whit- Maim-any. S.c. 



12 Blackbutt, N.C. 



13 Grey Gum, N.C. 



14 Eed Mahogany, N.C. 



15 Tallow Wood, N.C. 



Stringy Bark. 

 Woolly Butt, E 

 Turpentine, S.< 



Brush Box,'n.< 



Red Mahogany, N.C. 

 Tallow Wood, N.C. 

 Colonial Teak, N.C, 



Grey Ironbark, N.C. 

 r Woolly Butt, S.C. 

 ) Grey Box, S.C. 

 C Turpentine, S.C. 



V i;l:,.l:butt, N.C. 

 :. J Tallow Wood, N.C. 

 White Mali 

 Turpentine, N.C. 

 K,.,i .Mahogany, N.C. 

 Stringy Bark, S,C. 

 Colonial Teak, N.C. 



