Scope and Contents From the Collection: The production of the calendars in the collection are from 1944-1959. The collection consists of annual aviation calendars Hubbell painted for Thompson Products, Inc. located in Cleveland, Ohio. The calendars depict a history of aviation through a series of relevant themes/styles of airplanes.Series I: Art Prints: 1944-1949 Inclusive Dates: 1944-1959 Arrangement: Alphabetical and thereunder chronologicalThis small series consists of aviation prints by Charles H....