XJF440659 Advert for \'The Sciopticon\', c.1860s (printed paper) by English School, (19th century); Private Collection; (add.info.: Described as "A New and Improved Form of Magic Lantern," the sciopticon is an early form of image projector; It was patented by Walter B. Woodbury (1834-1885) who was an English photographer and inventor who took out more than 30 patents in Britain for his inventions of photographic processes and optical lanterns;); English, out of copyright.