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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 ).
Woman on an Israeli kibbutz using a washboard to do laundry. A washboard or a scrubbing-board [1] is a tool designed for hand washing clothing. With mechanized cleaning of clothing becoming more common by the end of the 20th century, the washboard has become better known for its secondary use as a musical instrument.
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 ...
George Jefferson was born in Harlem in 1929, an ambitious African-American entrepreneur who started and managed a successful chain of seven dry cleaning stores in New York City. The only background on the Jefferson family is that they were Alabama sharecroppers .
The original Tide laundry detergent was a synthetic designed specifically for heavy-duty, machine cleaning (an advance over the milder cleaning capabilities of Fewa and Dreft detergent brands). Tide was first introduced in U.S. test markets in 1946 as the world's first heavy-duty detergent, with nationwide distribution accomplished in 1949.
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The Chinese Hand Laundry Alliance (CHLA) was a labor organization [1] formed in 1933 to protect the civil rights of overseas Chinese living in North America [2] [3] and "to help Chinese laundry workers break their isolation in American society."