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
Monumental brass and was interred there in 1416, precisely resembles the brasses of England in the details which distinguish them from styles elsewhere in Europe. Scarcely any of the brasses which now exist in England can be confidently referred to the first half of the 13th century, though several undoubted examples of this period are on record. The full-sized brass of Sir John d'Aubernon at Stoke d'Abernon in Surrey (c. 1277) has the decorations of the shield filled in with a species of enamel. Other examples of this occur, and the probability is that, in most cases, the lines of the engraving