TIMBERS. 529 
1855. ‘Flooded Gum” of Camden. Bentham, /lora Aus- 
traliensis, pronounces this particular sample to belong to this 
species. Diameter, 36 to 48in.; height, 80 to 1ooft, ‘A fine- 
looking, but comparatively worthless sort; the timber weak, and 
not durable.” It is of a yellowish, or exceedingly pale brown 
colour, beautiful to work, and straight in the grain. 
Following are the results of Mr. James Mitchell’s experiments 
on samples of this wood from Tasmania (Papers and Procs., R.S., 
Van Diemen’s Land, 1851). Each piece tested was 7ft, long and 
2in. square. Green piece: 1. Specific gravity, .967; E, 7655760; 
S, 1806. 2. Specific gravity, 1.003; E, 9186912; S, 1968. A 
seasoned piece, ‘‘ with a great portion of sap-wood,” gave specific 
gravity .954; E, 10490860; and S, 2399. Mr. Mitchell called 
the timber “‘ Ash,” or “‘ Swamp Gum.” 
EXPERIMENTS ON THE TRANSVERSE STRENGTH OF THE Woop oF 
£. viminalis, by Baron Mueller and J. G. Luehmann. The 
specimens were 2ft. long and 2in. square. 
Deflection. Total 3 Specific Gravity. 
weight | 5 z/a 
required | 4 4 ag 
ah 2s cae = eRe Absolutely 
the apparatus| At the crisis|breakeach| 9 yy Air-dried. ae 
weighing | of breaking.| piece. ra ae 
78olbs. > 
Inches. : Inches. Pounds, re cm 
12 65 2384 1788 954 3710, 
12 .70 2195 1646 916 761 
A slab of this wood in the Technological Museum, which has 
been seasoned over twenty-five years (having been exhibited at the 
London International Exhibition of 1862), has a weight which 
corresponds to 67lb. 80z. per cubic foot. 
Has been measured with a diameter of 17ft. at base, and a 
height of 320ft. Ordinarily it is a very large tree. 
South Australia, through Victoria to New South Wales and 
Tasmania, 
2M 
