This lot is closed for bidding. Bidding ended on 8/16/2025
[PEPPER'S GHOST] Eleven Patents for Pepper's Ghost Improvements and Related Optical Effects. American, 1900s – 20s. Group of illustrated patents for “optical illusions" and “theatrical effects" ranging from an appearing and vanishing canary in a cage, to a modified version of the Girl in Fishbowl, a method of displaying merchandise on a mirror via the Pepper's Ghost principle (via an “invisible operator"), goldfish appearing in empty bowls, a peep show design, and more. Illustrated with technical drawings, bound with staples as issued by the U.S. Patent Office. A fascinating trove of documents related to this famous ghost illusion and related principles.