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Box-folder 68:19

 Container

Contains 1 Result:

Skilling, William, T.,, 1935

 File — Box-folder: 68:19
Scope and Contents From the Sub-Series: Correspondence with professional and amateur astronomers, telescope and glass manufacturers, Lowell Observatory staff, and the Observatory trustee, Roger L. Putnam. Subjects include papers and articles written by Tombaugh, the planet search, Tombaugh's 16-inch Club, and planetary observations. Arranged alphabetically by correspondent.
Dates: 1935