Pinchbeck is an alloy of copper and which other metal?
Pinchbeck (alloy) it came to mean a cheap and tawdry imitation of gold. Pinchbeck is typically composed of copper and zinc in ratios of 89% copper to 11% zinc; or 93% copper to 7% zinc. 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
Christopher Pinchbeck to George III: among his timepieces is an important astronomical clock made for the King, now in Buckingham Palace. A number of clocks and watches made by both Christopher Pinchbecks still exist. Nowadays the term 'Pinchbeck Watch' may mean a watch made by Christopher senior or junior, a watch made by another maker and housed in a Pinchbeck case, or a watch made by Harold Pinchbeck, the 21st-century family watchmaking business in England. He died in 1732, at the age of 62. The term "pinchbeck" has entered the English language to signify the alloy Pinchbeck created. Because the alloy could