Dreadnaught wheel
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A dreadnaught wheel is a wheel with articulated rails attached at the rim to provide a firm footing for the wheel to roll over. These wheels have also been known as "endless railway wheels" when fitte
Bottrill's "Big Lizzie" with dreadnaught wheels
Illustration from Bottrill's 1912 patent filing in the United Kingdom
Australia
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Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It has a land area of 7,688,
Aboriginal rock art in the Kimberley region of Western Australia
Landing of James Cook at Botany Bay on 29 April 1770
Tasmania's Port Arthur penal settlement is one of eleven UNESCO World Heritage-listed Australian Convict Sites.
The Big Picture, a painting by Tom Roberts, depicts the opening of the first Australian Parliament in 1901.