Box-folder 5:5

Scope and Contents From the Series: Contains drawings of telescope designs and accessory equipment, charts, maps, and miscellaneous prints and posters.

Scope and Contents From the Sub-Series: The correspondence is organized in four sub-subseries: Family Correspondence; General Correspondence; Fan Mail; and Crank Mail. Family and general correspondence are arranged alphabetically by correspondent name. Fan mail is arranged in two headings, general and cards, with the correspondence arranged chronologically within each heading. Similarly, crank mail has two headings, general and UFO related; within each heading, the correspondence is arranged chronologically.