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Box 57

 Container

Contains 9 Results:

Transit observations. Meridian Circle. Vol. 1., 1911 - 1912

 File — Box: 57, Volume: 1
Identifier: Volume 1
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: 1911 - 1912

Transit observations. Meridian Circle. Vol. 1., 1912 - 1916

 File — Box: 57, Volume: 2
Identifier: Volume 2
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: 1912 - 1916

Transit observations. Meridian Circle. Vol. 1., 1916 - 1933

 File — Box: 57, Volume: 3
Identifier: Volume 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: 1916 - 1933

Clock record., 1935 - 1938

 File — Box: 57, Volume: 4
Identifier: Volume 4
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: 1935 - 1938

Star trap. Containing factors A, B, C for all the stars of the N.A. star list, To 1911

 File — Box: 57, Volume: 5
Identifier: Volume 5
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: To 1911

Star trap. AP B, and C factors, for use in International Longitude campaign, 1933

 File — Box: 57, Volume: 6
Identifier: Volume 6
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: 1933

Test of periodic error in vertical screw of meridian circle micrometer, 1934

 File — Box: 57, Volume: 7
Identifier: Volume 7
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: 1934

Gaertrier sensitometer, 1928

 File — Box: 57, Volume: 8
Identifier: Volume 8
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: 1928

Spectograph tests, 1925 - 1926

 File — Box: 57, Volume: 9
Identifier: Volume 9
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: 1925 - 1926