211 



In a laboratory under the direction of the Forestry Commission, New South 

 Wales (Report for year ending 30th June, 1917, p. 15), the following results were 

 obtained : — 



Samples of Wood treated in one-ton Lots. 



Timber. 



Species. 



• 



Yields. 



PjToligneous 

 Acid in 

 gallons. 



Wood tar 



in 



gallons. 



Charcoal 

 in ewt. 



Red Stringybark ... 

 Blood wood ... 

 White Gum ... 



Rlackbutt 



White Stringybark 



Swamp Mahogany 



White Mahogany 



Tallow- wood 



E. capitellata 

 E. corymbosa 

 E. licemasloma 

 E. pihdaris 

 E. euc/enioides 

 E. robusta 

 E. acmenioides 

 E. microcorys 



70 

 74 

 64 

 80 

 71. 

 76 

 68 

 80 



3 



3-5 



4 



3-5 



4-5 



3 



3-5 



4-5 



6-5 



7 



6 



6-2-5 



6-5 



6-25 



6-5 



6-25 



In the Report for the following year, at p. 20, we have — 



Wood Distillation. — The distillation of wood tests commenced last year are now 

 nearing completion, and some very interesting data has been derived from them. A 

 wide range of timbers was employed, and the results, with one or two exceptions, 

 show a remarkable uniformity. 



The following table shows the results for timbers on which a complete test has 

 been made : — ■ 



Products of the Dry Distillation of New South Wales Timbers. 



Name of Timber. 



Local Name. 



Botanical Nam?. 







Pyro- 



Tar 



Charcoal 



ligneous 



in 



in 



Acid 



gallons 



cwt. 



in 



from 



from 



gallons 



1 ton. 



1 ton. 



from 

 1 ton. 



Composition of Pyroligneous Acid. 



Acetic 



Acid, 



per cent. 



Methyl. 

 Alcohol, 

 per cent. 



by 

 volume. 



Acetone, 



calculated 



from 



Acetic Acid, 



per cent. 



Red Stringybark . 

 Bloodwood 

 AVhite Gum 

 Blackbutt ... 

 White Stringybark 

 Swamp Mahogany... 

 White Mahogany 

 Tallow-wood 

 Flooded Gum 

 Woolly butt... 

 Blue Gum ... 

 Grey Gum ... 

 Ironbark, Red 

 Spotted Gum 

 Grey Box ... 

 Red Mahogany 

 Ironbark, Grey 

 Ironbark, Grey 



E. capitellata 

 E. corymbosa 

 E. hcemastoma 

 E. pihdaris 

 E. eugenioides 

 E. robusta 

 E. acmenioides 

 E. microcorys 

 E. grandis... 

 E. longifolia 

 E. saligna 

 E. punctata 

 E. siderophloia 

 E. maculata 

 E. hemiphloia 

 E. resinifera 

 E. paniculaia 

 E. paniculata 





J 3 



61 



70 



3i 



7 



74 



4 



6 



64 



31 



6£ 



80 



41 



61 



71 



3 



6£ 



76 



34 



61 



68 



41 



6i 



80 



5J 



61 



69 



3 



6 



71 



24 



5| 



62 



24 



51 



62 



3 



61 



70 



2i 



5 



61 



2 



B± 



64 



21 



61 



68 



31 



6 



70 



3 



61 



74 



5-49 



5-28 



5-55 



3-03 



5-49 



4-26 



4-68 



6-33 



4-20 



2-16 



4-14 



3-78 



5-55 



6- 



6-72 



5-97 



6-27 



5-79 



•97 

 1-34 

 1-66 

 1-16 

 1-3 

 1-68 

 1-45 

 1-34 

 1-58 



•27 



•39 



•83 

 1-00 

 1-1 

 1-23 



•7 



•5 



•3 



2-65 



2-55 



2-68 



1-46 



2-65 



2-06 



2-26 



3-06 



2-03 



1-04 



2-00 



1-83 



2-68 



2-9 



3-24 



2-88 



3-09 



2-80 



