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Albert Einstein


Albert Einstein was a German-born theoretical physicist. He developed the general theory of .... Einstein's future wife, Mileva Marić, also enrolled at the Polytechnic that year. ... In 190...

First Refrigerator Patented - National Geographic Society


Dec 16, 2013 ... On August 8, 1899, the United States Patent and Trademark Office issued a patent to Albert T. Marshall of Brockton, Massachusetts, for his ...

What did T. J. Marshall invent? | Reference.com


T.J. Marshall is credited with improving the design of the fire extinguisher, with a patent issued on ... What year did Albert T. Marshall patent the refrigerator?

History of Refrigeration @ Super Beefy


Jul 25, 2014 ... Isn't the refrigerator more of a convenience item? ... techniques one step further, filing a patent for “an improvement in the process for the ... The icebox, however, left much to be desired, especially when the iceman did not cometh. ... patent in the United States was granted in 1899 to one Albert T. Marshall of ...

AC and Refrigeration chronology - ashrae

www.ashrae.org/file library/doclib/public/200651081623_347.pdf

mixtures in scientific research, as did Robert Boyle, in. 1662 ... Hoell noted the strong cooling rate when expanding air in a ... refrigerator. ... Jacob Perkins patents mechanical refrigeration machine. .... Multiple-effect compression system developed by Gardner T. ... Modern type Automatic Expansion Valve patented by Albert.

Weekly Writing Prompts - Scholastic


each month. You should have a minimum of six pieces of completed writing when school ... Did you know today is World Smile Power Day? Make a list of ..... On this date in 1899, a man by the name of Albert T. Marshall received the patent ... least one paragraph, explain why you think the refrigerator was such an important.

list of known african-american inventors 1845-1980 - WBCP


Mr. Baker was an African-American who worked for the U.S. Patent. Office during these early years. During this ... inventors who had submitted patents to the Patent Office. ... Burr, John Albert ... Elkins, T. Self-Setting Animal Trap. Invalid Cot. Range. Umbrella Stand .... Marshall, W. ... Prefabricated Refrigerator Construction.

Household Appliances - Business History


1877 - Carl von Linde received a patent for refrigerator (world's first) from .... ' wash cycle' began when the device was lowered by levers into the machine, and .... August 8, 1899 - Albert T. Marshall, of Brockton, MA, received a patent for an ..... a patent for a "Bread Toaster" as a way of toasting bread that d...

Register of Leo Szilard Papers - MSS 0032 - The Library


Materials from earlier years include patents, personal documents, and a ... Also included are copies of correspondence with Albert Einstein. ... Although this refrigerator was never produced, the refrigeration system was used ... The petition did not reach the president. ...... Feld, Bernard T., 1952 - 1964 ... Field, Marshall, 1955.

ORNL Review - The First 50 Years - Oak Ridge National Laboratory


readability of the narrative, the names of many talented scienti t , engineers ... Clinton Laboratories becomes ORNL during frantic postwar years. 58. Chapter 3  ...

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What year did Albert T. Marshall patent the refrigerator? | Reference ...


Albert T. Marshall of Brockton, Mass., was issued a patent on Aug. 8, 1899 for his household refrigeration device. Several other refrigeration systems had been ...

Refrigerator History - Invention of the Refrigerator


Aug 18, 2005 ... Fascinating facts about the invention of the refrigerator by Carl von Linde in 1876. ... DID YOU KNOW? ... a patent for his refrigerator from the German Imperial Patent Office ... 1936 Albert Henne synthesizes refrigerant R-134a ... 1946 Mass production of modern refrigerators didn't get started until after World ...

History and Story Behind Inventions: Refrigerator - Trivia-Library.com


About the story behind the invention of the refrigerator, history and biography of ... YEAR: 1834 ... invented the 1st mechanical refrigerator, and Albert T. Marshall, of Brockton, Mass. ... The patent called for gas and water circulating a refrigerant.