EASTERN AUSTRALIAN HARDWOODS
Trade, Melbourne, Australia.
as gums,
We have received a most interesting Information" we quote the following:- the country, more than 160 years ago. booklet entitled "Eastern Australian Hardwoods are the dominant trees of First New Zealand, then other coun- Hardwoods Buyer's Guide" issued by Australia's forest resources which are tries, became aware of the exceptional the Commonwealth Department of composed of a very large number of qualities of strength and durability species most of which are the genus found in Australian hardwoods. Today The aim of this booklet is to pro- Eucalyptus. Groups of these Eucalypts purchasers include the United King. vide overseas buyers with a brief but are collectively known
dom, the United States of America, authoritative guide to the character stringy-barks or ironbarks according Canada, South Africa, Japan, Hong and qualities of the main species of to their bark characteristics. Although Kong, Egypt, Sudan, Ceylon, Iraq, hardwood that are available for im- not all are of commercial value, there Bahrein, the Pacific Islands and port from the east coast of Australia. are many which for particular pur- Mauritius.
There are many other species ob- poses rank as high as or higher than Rail and tramway traffic over Syd- tainable in small quantities, which are any other timbers in the world.
ney Harbour Bridge, heaviest single- not described.
The hardwoods of Eastern Australia span arch bridge in the world, is car- ried on hewn Ironbark transoms This guide has been prepared with are strong, hard and dense. They can the co-operation and advice of the therefore be used in much smaller covered with planking of Ironbark, Commonwealth Forestry and Timber sections than can many other types Tallow-wood and Grey Gum. Inciden- Bureau, the Division of Wood Tech- of timber, which means economy in tal use was made of other New South nology of the New South Wales Fore- the construction, maintenance and re- Wales hardwoods in the construction stry Commission, and the Forest Pro- placement of all types of wooden of the bridge.
ducts Division of the Commonwealth structures. Some of the species are Although Australia's forest resources Scientific and Industrial Research Or- particularly durable in the ground. are not large by world standards, ganisation.
preservation costs being thus avoided. emphasis is placed on the special qua-
indication of the range in colour and grown
Eight coloured illustrations give an It should be noted that Eucalypts lities and characteristics of the timbers. outside Australia may not Just as Australia imports softwoods texture of some of the timbers, of possess the same qualities of strength to meet certain of her needs and can which twenty-six are described. Speci- and durability as the timbers that are use her own hardwoods where strength, fications and mechanical properties grown in their native Australian soil toughness and durability are called are given, and the range of uses out- and climate.
for, so other countries can use Austra- lined.
Use has been made of Australia's lian hardwoods where From the section headed "General hardwoods since the first settlement of special properties are required.
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same
FIDOR CEMENT SCREEDMG
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WIRE WETTING
SLAB
CELLOCRETE
LIME PUTTY CEILING FINISH
R.C. RIB
Test results on 2” Wood Wool Stab with R.C.C. Ribs.
(a) Distributed Load
(b) Concentrated Load
(c) Concentrated Load
on area 4" x 4" in center of slab
-
512 lbs. per sq/ft.
3620 lbs.
-
1918 lbs.
67
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1105 Wing On Life Building,
Hong Kong.
Tel: 39924.