Scope and Contents This collection is comprised primarily of horological school materials belonging to or in the possession of Y. Emanuel Seibel. This includes material from when Seibel was a student at the Wasburn School in Chicago, Illinois as well as material from when Seibel was an instructor at the American Academy School of Horology in Denver, Colorado. The material from Wasburn School include notebooks of topics covered, formulas, exam schedules, and questions from exams. This includes one...