Mercury silvering methods. The technique was also used in Asia, for example "tokin" plating in Edo-period Japan. Mercury silvering Mercury silvering or fire gilding is a silvering technique for applying a thin layer of precious metal such as silver or gold (mercury gilding) to a base metal object. The process was invented during the Middle Ages and is documented in Vannoccio Biringuccio's 1540 book "De la pirotechnia". An amalgam of mercury and the precious metal is prepared and applied to the object which is then heated, sometimes in oil, vaporizing most of the mercury. The technique is dangerous since mercury is highly
Mercury (toy manufacturer) Mercury (toy manufacturer) Mercury is a brand of diecast toy cars manufactured in Italy from about 1945 through the 1970s. Along with Dinky Toys in England, Mercury was a pioneer in 1:43 scale diecast toys made in Europe. Today, Mercury models are rather rare and not easy to find. The company logo was the word Mercury within a rectangle with a round toothed gear behind the company name. As with many toy car makers, Turin-based Mercury started as a diecaster of small parts. It produced metal parts mainly for auto companies (History of Mercury 2013). Later an importer for German