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500-1000 – Spinning wheel invented in the Indian subcontinent. [19] 1000s – Finely decorated examples of cotton socks made by true knitting using continuous thread appear in Egypt. [14] 1000s – The earliest clear illustrations of the spinning wheel come from the Islamic world. [20] 1100s-1300s – Dual-roller cotton gins appear in India ...
The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
In 1924, facial tissues as they are known today were first introduced by Kimberly-Clark as Kleenex. It was invented as a means to remove cold cream . Early advertisements linked Kleenex to Hollywood makeup departments and sometimes included endorsements from movie stars ( Helen Hayes and Jean Harlow ) who used Kleenex to remove their theatrical ...
These timelines of world history detail recorded events since the creation of writing roughly 5000 years ago to the present day. For events from c. 3200 BC – c. 500 see: Timeline of ancient history; For events from c. 500 – c. 1499, see: Timeline of post-classical history; For events from c. 1500, see: Timelines of modern history
The different tissues were designated as tissue groups with different half-times, and saturation was assumed after four half-times (93.75%) Five tissue compartments were chosen, with half-times of 5, 10, 20, 40 and 75 minutes. [55] Depth intervals of 10 ft were chosen for decompression stops. [11]
Indian cotton textiles were the most important manufactured goods in world trade in the 18th century, consumed across the world from the Americas to Japan. [76] The most important center of cotton production was the Bengal Subah province, particularly around its capital city of Dhaka .
Nylon is invented and patented by DuPont. [6] 1938: Nylon is first used for bristles in toothbrushes. It features at the 1939 World's Fair and is famously used in stockings in 1940. 1938: Polytetrafluoroethylene (commonly known as teflon), discovered by Roy Plunkett at DuPont. 1941
Mary Beatrice Davidson Kenner (May 17, 1912 – January 13, 2006) was an American inventor most noted for her development of the adjustable sanitary belt. [1] Kenner received five patents, which includes a carrier attachment for invalid walker and bathroom tissue dispenser.