Using the Patent Graphic Telescope
Video duration: 3:21
In 1811, British scientist and artist Cornelius Varley patented a curious device. With the aid of his Patent Graphic Telescope, Varley was able to make beautiful, detailed drawings and watercolors of objects small and large like never before. Brent Wahl, an artist and lecturer at University of Pennsylvania gives a demonstration of Varley's invention in Independence Square using a replica.