What did unaipon invent?
Shearing machine
Centrifugal motor
David Unaipon/Inventions
What David Unaipon was famous for?
David Unaipon (1872 – 1967) was an author, inventor, evangelical preacher and political activist whose string of accomplishments was contrary to the prejudiced stereotypes held about Aboriginal people at the time. Unaipon is a simplified version of his name Ngunaitponi.
Why is unaipon remembered?
Unaipon was the first published Aboriginal author, after he was commissioned by the University of Adelaide to assemble a book on Indigenous legends and storytelling in the early 1920s. The David Unaipon College of Indigenous Education and Research at the University of Adelaide was subsequently named after him.
Why is David Unaipon on the 50$ note?
Unaipon’s contribution to Australian society helped to break many Aboriginal Australian stereotypes, and he is featured on the Australian $50 note in commemoration of his work. He was the son of preacher and writer James Unaipon.
What nickname is David unaipon?
Early 20th century indigenous inventor David Unaipon, who graces our $50 note, became known as the ‘Australian Leonardo da Vinci’.
What inspired David unaipon?
From the early 1920s Unaipon studied Aboriginal mythology and compiled his versions of legends; he was influenced by the classics and by his researches into Egyptology at the South Australian Museum. The A.F.A. funded publication of Hungarrda (1927), Kinie Ger—The Native Cat (1928) and Native Legends (1929).
What was David’s most famous invention?
His most successful invention (provisional patent 15 624), was a shearing machine that converted curvilinear motion into the straight line movement which is the basis of modern mechanical shears.
How is David unaipon remembered today?
He is credited with inventing a new type of mechanical shears, the basis for those now used worldwide; sketched out early designs for a helicopter; and was the first Aboriginal person to have his writings published in English. He also lectured, preached sermons and campaigned for racial equality across Australia.
Why did David Unaipon invent the shearing tool?
While conducting experiments to attain perpetual motion, Unaipon made a discovery which led to him inventing an improved mechanical hand tool for shearing sheep that converted curvilinear motion into the straight line movement. This forms the basis of modern mechanical shears.