Category:Busybody mirrors

English: Busybody mirrors are a type of found in the United States, particularly in Philadelphia, where they are said to have been invented by Benjamin Franklin. Busybody mirrors are composed of three angled mirrors placed outside an upper-story window of a building to allow an occupant to see what's happening outside the building at ground level. Busybody mirrors were popular in 18th and 19th centuries in Philadelphia, where they can still be found on some houses, particularly in the Old City and Society Hill neighborhoods.