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Box 9

 Container

Contains 1 Result:

Meridian Circle- Data on Operation, undated

 File — Box: 9, Folder: 3
Identifier: Folder 3
Scope and Contents From the Collection: The records of the Dearborn Observatory fill fifty-four boxes and thirteen oversize folders. The records span the years 1863-1967, although the bulk dates from 1863-1941. The records consist almost entirely of observational data gathered by astronomers using Dearborn's 18½ inch refracting telescope or its meridian circle, calculations performed on the data, and the results of such investigations. Six folders of clippings, reports, and miscellaneous correspondence precede the observational...
Dates: undated