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The onager (UK: / ˈ ɒ n ə dʒ ə /, / ˈ ɒ n ə ɡ ə /; US: / ˈ ɑː n ə dʒ ə r /) [1] was a Roman torsion-powered siege engine. It is commonly depicted as a catapult with a bowl, bucket, or sling at the end of its throwing arm.
During World War II, Mary found a job with the federal government, working for the Census Bureau and General Accounting Office. She would chaperone younger women to attend military base dances in Washington, D.C. One night while chaperoning, Kenner met and fell in love with a soldier, whom she married in 1945. They divorced in 1950. [8]
The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker, widened the teeth. [45]
On International Women’s Day, here’s a look at some of the most important inventions created by women
The dishwasher, chocolate-chip cookies, and the first version of the Monopoly board game were all created by women. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: ...
Women inventors have been historically rare in some geographic regions. For example, in the UK, only 33 of 4090 patents (less than 1%) issued between 1617 and 1816 named a female inventor. [1] In the US, in 1954, only 1.5% of patents named a woman, compared with 10.9% in 2002. [1]
The onager is a member of the subgenus Asinus, belonging to the genus Equus and is classified under the family Equidae. The species was described and given its binomial name Equus hemionus by German zoologist Peter Simon Pallas in 1775. The Asiatic wild ass, among Old World equids, existed for more than 4 million years.
At some time between 100 CE and 300 CE a change occurred in the nomenclature. Thus, in the 4th century CE catapulta indicates a one-armed stone-throwing engine, also known as onager, while ballista means a two-armed piece which shoots bolts only. The authors of Greek treatises classified artillery pieces into two categories: euthytones and ...