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Denis Papin FRS (French pronunciation: [dəni papɛ̃]; 22 August 1647 – 26 August 1713) [1] was a French physicist, mathematician and inventor, best known for his pioneering invention of the steam digester, the forerunner of the pressure cooker, the steam engine, [2] [3] the centrifugal pump, submersible and possibly the paddlesteamer (1707).
Most pressure cookers have a cooking (operating) pressure setting between 0.8–1 bar (11.6–15 psi) (gauge) so the pressure cooker operates at 1.8 to 2.0 bar (absolute). The standard cooking pressure of 15 psi gauge was determined by the United States Department of Agriculture in 1917.
It has been claimed to be the first mainstream brand of blender, [1] though technically the Waring blender brand was introduced in 1937. In 1946, Oster acquired the Stevens Electric Company, which had received a patent on the liquifying blender in 1922. Oster itself was bought by Sunbeam Corporation in 1960.
Ernst Friedrich Oster [1] was born in Mannheim, Germany. [2] While still young, his family moved to Hamburg, where he attended the Gelehrtenschule des Johanneums. [3] He began his musical education studying the piano; his primary piano teachers were Robert Teichmüller and Georg Bertram.
Nisaba's epithets include "lady of wisdom," "professor of great wisdom" (geštu 2 diri tuku-e) [15] "unsurpassed overseer" (ugulu-nu-diri; ugula is an office known for example from Eshnunna, conventionally translated as "overseer"), [16] and "opener of the mouth of the great gods."
Ruth Marianna Handler (née Mosko; November 4, 1916 – April 27, 2002) was an American business magnate and inventor. She is best known for inventing the Barbie doll in 1959 [ 2 ] and being co-founder of toy manufacturer Mattel with her husband Elliot , as well as serving as the company's first president from 1945 to 1975.
The company is a leading American brand for rice cookers. [1] It also produces portable electric burners, hot pots, induction products, electric woks, food steamers, countertop ovens, food dehydrators, pressure cookers, coffee makers, rice dispensers, slow cookers, DoveWare cookware and bakeware, and toasters.
An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning system. [1] An air handler is usually a large metal box containing a blower , furnace or A/C elements, filter racks or chambers, sound attenuators , and dampers . [ 2 ]