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Albert Einstein - Wikipedia


Albert Einstein was a German-born theoretical physicist. He developed the general theory of .... When the family moved to Pavia, Einstein stayed in Munich to finish his .... In 1903, Einstein's ...

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 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 ...

On August 8, 1899, first refrigerator patent was issued to Albert T ...


Aug 7, 2016 ... On August 8, 1899, first refrigerator patent was issued to Albert T. Marshall. It includedan automatic motor cut-off in case it was needed, and a ...

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 of Refrigeration - Super Beefy


Sep 8, 2007 ... 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 ...



Find out who invented the refrigerator, when it was invented and why people were afraid it. ... It wasn't until the mid-19th century when ice was contaminated from ... Did you know that Albert Einstein patented an invention of the refrigerator.

An African-American Bibliography: Science, Medicine, and Allied ...


Patent documents are filed numerically and are part of the patent depository ... Allen, Sallie T. The Directory of Black Nursing Faculty; Baccalaureate and Higher ... Contains a list of several hundred patents issued to African-Americans through the year 1900, ..... Blackburn, Albert B. Railway Signal, U.S. Patent 376,362, Jan.

Who was T J Marshall - Answers.com


He was credited for improving the fire extinguisher in 1872, about 150 years after it had been invented ... What year did Albert T Marshall patent the refrigerator?

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.