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Thomas L. Jennings (c. 1791 – February 12, 1859) was an African-American inventor, tradesman, entrepreneur, and abolitionist in New York City, New York.He has the distinction of being the first African-American patent-holder in history; he was granted the patent in 1821 for his novel method of dry cleaning. [1]
Chronic fatigue and memory loss were reported to last up to three years after exposure. In the years following World War One, there were many conferences held in attempts to abolish the use of chemical weapons altogether, such as the Washington Naval Conference (1921–22), Geneva Conference (1923–25) and the World Disarmament Conference (1933
Weapons for Liberty – U.S.A. Bonds, Liberty bond poster by J. C. Leyendecker (1918). During World War I, the United States saw a systematic mobilization of the country's entire population and economy to produce the soldiers, food supplies, ammunitions and money necessary to win the war.
Partition of the Ottoman Empire, dissolution of Austria-Hungary, transfer of German colonies and territories to other countries; Formation of new countries in Europe and the Middle East, such as Poland, Yugoslavia, Weimar Germany, Soviet Russia and Soviet Union, Lithuania, Estonia, Latvia, Austria, Hungary, Czechoslovakia, Turkey, Hejaz, and Yemen
Many dry cleaners place cleaned clothes inside thin clear plastic garment bags. A dry cleaning machine is similar to a combination of a domestic washing machine and clothes dryer. Garments are placed in the washing or extraction chamber (referred to as the "basket" or "drum"), which constitutes the core of the machine.
The Home Front: Civilian Life in World War One (2006) Dewey, P. E. "Food Production and Policy in the United Kingdom, 1914–1918," Transactions of the Royal Historical Society (1980). v. 30, pp 71–89. in JSTOR; Doyle, Peter. First World War Britain: 1914–1919 (2012) Fairlie, John A. British War Administration (1919) online edition
Instead of soap, ancient Roman laundry workers used a different, slightly gross liquid.
The dry soil was lifted by wind and blown into huge dust storms that blanketed entire towns, a phenomenon that continued for several years. Those who had lost their homes and livelihoods in the Dust Bowl were lured westward by advertisements for work put out by agribusiness in western states, such as California.