Pinchbeck (alloy) Pinchbeck (alloy) Pinchbeck is a form of brass, an alloy of copper and zinc, mixed in proportions so that it closely resembles gold in appearance. It was invented in the 18th century by Christopher Pinchbeck, a London clockmaker. 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. Pinchbeck jewellery was used in places like stagecoaches where there was a risk of theft. Later dishonest jewellers passed pinchbeck off as gold; over the years
Chase Brass and Copper Company ECO BRASS C87850. 2015 marked the 50th anniversary of Chase Brass, Montpelier, Ohio location. This location was opened in 1965 and manufactured one alloy, C360. As of 2016, Chase Brass, Montpelier, produces C360, C377, C345, C350, C353, C370, C363, C27450, ECO BRASS C693, ECO BRASS C87850, ECO BRONZE C87850 and engineered products. ref: chasebrass.com. The Chase Headquarters Building in Waterbury, Connecticut is on Grand Street across from the city hall. It is now occupied by the city of Waterbury’s offices. Chase Brass commissioned well-known architect Cass Gilbert to design it in 1916, across from his recently completed Waterbury city hall.