Records

Each record focuses on a single item from the National Archives' collection. Some records contain extra information to help you interpret them.

• Record

  

  Destruction of prickly pear with war tanks, circular saws, rollers and poison spray

  This is a letter to the Bureau of Science and Industry regarding the destruction of prickly pear.

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  Antarctic expedition – sailing orders for Douglas Mawson from Prime Minister Stanley Bruce

  These secret notes were given to Sir Douglas Mawson providing sailing orders from Prime Minister Bruce in 1929.

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  Antarctic research expeditioner William Harvey with sled dogs

  Antarctic expeditioner William (Bill) Harvey holding 2 sled dog pups. Harvey was one of 10 men who spent the first winter at Mawson Station in 1955.

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  Australasian Antarctic Expedition – near-eastern sledging party

  A photograph of a sledging party including Frank Stillwell, John Close and Charles Laseron, during the Australasian Antarctic Expedition 1911–1914.

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  Australian WLAN patent application 1993

  In 1993 wireless local access network (WLAN) was invented and patented by scientists at CSIRO, Australia's national science agency.

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  Aviation at Mawson Station, Antarctica

  A video about planes used to aid exploration and science at Mawson Station, Antarctica.

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  Aviation Pioneer Lawrence Hargrave's monoplane model with flapping wings

  This is a model of a monoplane that flies by flapping its wings.

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  Concern over rising salt levels in Western Australian wheat belt

  Letter to the Secretary of the Council for Scientific & Industrial Research regarding salt levels in the Eastern wheat belt.

• Record

  

  Dethridge irrigation wheel being used to measure water flow

  This colour photograph shows a Dethridge wheel at an outlet point on an irrigation channel at Leeton in southern New South Wales.