Royal Purple (lubricant manufacturer) Royal Purple (lubricant manufacturer) Royal Purple is an American manufacturer which produces lubricants for automotive, industrial, marine, motorcycle, and racing use. It is known primarily for its line of synthetic Royal Purple Motor Oil products used in gasoline and diesel engines. They also produce other fluids including gear oil, transmission fluid, power steering fluid and industrial gear, bearing, engine, and hydraulic oil. Other products include chassis and bearing grease, lubricant aerosol, aerosol chain lubricant, and firearm lubricant. The company was founded in 1986 by John Williams, a synthetic oil developer and later consultant. Due to a customer who said he
Portrait of a Lady Known as Smeralda Brandini clients for many years, is likely that Cartwright has confused Viviano with his son Michelangelo (Michele) because in 1475, the year of the tournament of La Giostra to which she refers, Michele was only 18 years old and his father was much better known. Art historians note new features in the composition: "earlier Florentine portraits were in profile. The woman's three-quarter pose, with her hand on the window frame, was Botticelli's own invention". The portrait is thought to be the first example of a three-quarters pose in Florentine portrait painting. "By abandoning the profile pose traditionally used in depictions of