EUCALYPTUS GLOBULUS. 



Results of Experiments on the transverse strength of the Wood of various Euealypts, by Baron von Mueller 

 and J. G. Luehmann. Specimens 2 feet long, 2 inches square. 





Deflection. 









Specific Gravity. 























required to break 











With the I 



Uthe 



each piece. 







Apparatus c 



isis of 







Air-dned. driea. 





weighing 780 lbs. bi 



ealiing. 













inches. i 



nches. 



pounds. 









Eucalyptus Leucoxylon — Victoriau 



•03 

 •03 



•63 



4,192 



3,144 



1^028 



908 



Ironbark-tree 



•60 



3,977 



2,983 



1^061 



913 



siderophloia — Sydney Lronbark- 

 tree ... 



■02 



•63 



3,873 



2,905 



P075 



936 



•02 



•56 



3,752 



2,814 



1-129 



953 



polyanthema — Red Box ... 



•10 



•08 



•56 

 •58 



3,215 

 3,145 



2,411 

 2,359 



1-248 1 

 1^214 1 



031 

 010 



melUodora — Tello* Bos... 



•06 

 •08 



•58 

 •63 



2,903 

 2,781 



2,177 

 2,086 



1-112 

 1-040 



947 



876 



rostrata — Pale Eed Gum-tree 



•08 

 •07 



•52 

 •43 



2,781 

 2,712 



2,086 

 2,034 



1-008 

 •940 



843 

 790 



rostrata — Dark Red Gum-tree 



•10 

 •09 



•65 

 •68 



2,539 

 2,417 



1,904 

 1,813 



1-045 

 •984 



874 

 809 



macrorrhyncha— Stringy bark- tree 



•17 



•17 



•62 

 •60 



2,412 

 2,384 



1,809 

 1,788 



•952 

 1-060 



809 

 901 



Gunnii var. — Swamp Gum-tree ... - 



•12 

 •14 



•75 

 •75 



2,327 

 2,268 



1,745 

 1,701 



•950 

 1^021 



802 

 842 



Stuartiana — Apple -scented Gum- 



•12 



•54 



2,425 



1,819 



1^010 



850 



tree ... 



•14 



•56 



2,170 



1,627 



1-001 



834 





•12 



•65 



2,384 



1,788 



-954 



797 





•12 



•70 



2,195 



1,646 



•916 



761 



goniocalys— Bastard Box 



•16 

 •20 



•50 

 •58 



2,209 

 2,050 



1,658 

 1,537 



-948 

 •937 



807 

 798 



amygdaUna— Peppermint-tree 



•12 

 •12 



■65 

 •70 



2,195 

 2,132 



1,646 

 1,599 



1-045 

 1-076 



878 

 908 



obliqua — Messmate 



•12 

 •14 



■50 

 •48 



2,053 

 1,776 



1,540 

 1,332 



1-045 

 -935 



867 

 783 



Results of Experiments on the transverse strength of Timber other than Eucalyptus, by Baron von Mueller 

 and J. G-. Luehmann. Specimens 2 feet long, 2 inches square. 





Deflection. 







Specific Gravity. 









Total Weight 

 required to break 



Value of Strength 



















With the 



At the 



each piece. 



Ab. 







Apparatus 



crisis of 







Air-dried. ^j 



ried 





weighing 780 lbs. 



bretilting. 













inches. 



inches. 



pounds. 









Carya species — Hickory ... ... 



•04 

 •05 



-60 

 •56 



3,579 

 3,388 



2,684 

 2,541 



•785 

 •808 



665 

 688 



Fraxinus Americana — American White 

 Ash 1 



•12 



•54 



2,504 



1,878 



•800 



696 



•12 



•54 



2,640 



1,980 



•004 



525 



Quercus alba — American White Oak ... | 



•10 

 •12 



•62 

 •65 



2,781 

 2,192 



2,086 

 1,644 



•716 

 •669 



612 

 582 



Acacia Melanoxylon — Blackwood ... | 



•08 

 •08 



•50 

 •54 



2,296 

 2,261 



1,722 

 1,696 



•616 

 •625 



529 

 636 



Dammara australia — Kauri ... ... • 



•08 

 •08 



•42 

 •42 



2,053 

 1,967 



1,640 

 1,475 



•600 

 •613 



518 

 531 



Finns Bilvestris — Baltic Deal... ... -j 



•17 

 •21 



-70 

 •48 



1,811 



1,398 



1,358 

 1,048 



-641 

 -399 



468 

 346 



Mr. Laslett obtained for English Oak S = 2, 11 7. 



In Cliuinber.s Miitliemiitics the following quotations are given for S : — ^Ash 2,030 ; Beech 1,560 ; 

 Birch ],yOO ; Elm 1,0:J0 ; Fir 1,100 to 1,140 ; Larch 1,120 ; English Oak 1,200 to 2,200 ; Canadian 

 Oak 1,760 ; Hed Pine 1,340 ; Poon 2,200 ; Teak 2,460. 



