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[a] [b] It is possible aluminium-containing alloys were produced in China during the reign of the first Jin dynasty (266–420). [c] After the Crusades, alum was a commodity of international commerce; [9] it was indispensable in the European fabric industry. [10] Small alum mines were worked in Catholic Europe but most alum came from the Middle ...
Kitchen utensils in bronze discovered in Pompeii. Illustration by Hercule Catenacci in 1864. Benjamin Thompson noted at the start of the 19th century that kitchen utensils were commonly made of copper, with various efforts made to prevent the copper from reacting with food (particularly its acidic contents) at the temperatures used for cooking, including tinning, enamelling, and varnishing.
Brass or copper vessels were common in Asia and Europe, whilst iron pots were common in the American colonies. Improvements in metallurgy during the 19th and 20th centuries allowed for pots and pans from metals such as steel, stainless steel and aluminium to be economically produced. [7]
WearEver cookware was the method through which these challenges were met. WearEver Cookware [ 2 ] helped aluminum consumption by introducing one of the first widely accepted and available aluminum based consumer products of their time. [ 3 ]
Various aluminum products were introduced, such as the Galaxy line. The Galaxy line featured stainless steel construction with a bonded aluminum lining. The 500 line was a series of miniature 1400 series cookware, marketed as toys for children, but manufactured to the same standards as all their consumer cookware.
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 ...
However, since aluminum and plastic have become affordable in the 20th century, most kitchenware is now not made of tinware. Tin cans still remain as a major commodity. In 1970 there was an annual production of 12 to 13 million tons of tinplate, of which 90% were used to manufacture packaging like tin cans.
1897: Surgical masks made of cloth were developed in Europe by physicians Jan Mikulicz-Radecki at the University of Breslau and Paul Berger in Paris, as a result of increasing awareness of germ theory and the importance of antiseptic procedures in medicine. [451] 1898: Hans von Pechmann synthesizes polyethylene, now the most common plastic in ...