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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]
Dry cleaning is any cleaning process for clothing and textiles using a solvent other than water. Clothes are instead soaked in a water-free liquid solvent (usually non-polar , as opposed to water which is a polar solvent ).
Dry cleaning refers to any process which uses a chemical solvent other than water. [12] The solvent used is typically tetrachloroethylene (perchloroethylene), which the industry calls "perc". [ 13 ] [ 14 ] It is used to clean delicate fabrics that cannot withstand the rough and tumble of a washing machine and clothes dryer ; it can also obviate ...
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Alexander Turney Stewart (October 12, 1803 – April 10, 1876) was an Irish- American entrepreneur who moved to New York and made his multimillion-dollar fortune in the most extensive and lucrative dry goods store in the world.
One of the main issues that will make your vacuuming less effective is letting the dust build up in the vacuum cleaner, which can inhibit how well it sucks up debris and, eventually, stop cleaning ...
[9] [10] The du Pont family emigrated to the United States due to repercussions from the French Revolution, bringing with them expertise in chemistry and gunpowder. E.I. du Pont observed that the quality of American gunpowder was poor, and opened Eleutherian Mills, a gunpowder mill on Brandywine Creek in 1802. The mill served as home for du ...
Pearson v. Chung, also known as the "$54 million pants" case, is a 2007 civil case decided in the Superior Court of the District of Columbia in which Roy Pearson, then an administrative law judge, sued his local dry cleaning establishment for $54 million in damages after the dry cleaners allegedly lost his pants.