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Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869: John Wesley Hyatt discovers a method to simplify the production of celluloid, making industrial production possible. 1872: PVC is accidentally synthesized in 1872 by German chemist Eugen Baumann ...
General Worth by Mathew Brady. The history of Fort Worth, Texas, in the United States is closely intertwined with that of northern Texas and the Texan frontier. From its early history as an outpost and a threat against Native American residents, to its later days as a booming cattle town, to modern times as a corporate center, the city has changed dramatically, although it still preserves much ...
It was invented in the early 18th century by Christopher Pinchbeck (died 1732), a London clock- and watch-maker. [1] Since gold was only sold in 18-carat quality at that time, the development of pinchbeck allowed ordinary people to buy gold 'effect' jewellery on a budget. The inventor allegedly made pinchbeck jewellery clearly labelled as such.
The earliest gold artifacts were discovered at the site of Wadi Qana in the Levant. [13] Silver is estimated to have been discovered in Asia Minor shortly after copper and gold. [14] There is evidence that iron was known from before 5000 BC. [15] The oldest known iron objects used by humans are some beads of meteoric iron, made in Egypt in ...
The first plastic made from synthetic components, it was developed by Leo Baekeland in Yonkers, New York, in 1907, and patented on December 7, 1909. [ 3 ] Bakelite was one of the first plastic-like materials to be introduced into the modern world and was popular because it could be moulded and then hardened into any shape.
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Aurora Plastic's first kits were aircraft and this was a backbone of sales through the 1950s and 1960s. From early on the company's Famous Fighters line was popular. Included were World War I, World War II, jet age aircraft and a variety of whirlybirds. A series of aircraft from the 1930s were also offered.
Earl Silas Tupper (July 28, 1907 – October 3, 1983) was an American businessman and inventor, best known as the inventor of Tupperware, an airtight plastic container for storing food, and for founding the related home products company that bears his name, Tupperware Plastics Company.