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
Zinc Alloy and the Hidden Riders of Tomorrow deal with Casablanca Records he had recorded lots of new material and decided to release it along with a couple of tracks from "Zinc Alloy" as the "Light of Love" album. Thus neither "Zinc Alloy and the Hidden Riders of Tomorrow" nor "Bolan's Zip Gun" were issued in the US in the '70s. "Zinc Alloy and the Hidden Riders of Tomorrow" was released on 1 February 1974. When originally released the initial pressings were a multi-layered triple gatefold sleeve, a latticework image of the current cover featuring singer Marc Bolan's face in a pale gold surround. Japanese manufacturer Teichiku reinstated