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Box 21

 Container

Contains 9 Results:

Box 21

 Item — Box: 21
Identifier: Series 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: 1863-1967

Instrument - Clocks #1, 1879-05-23 - 1880-05-12

 File — Box: 21, 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: 1879-05-23 - 1880-05-12

Instrument - Clocks #2, 1880-05-12 - 1882-11-20

 File — Box: 21, 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: 1880-05-12 - 1882-11-20

Instrument - Clocks #3, 1882-11-20 - 1888-05-23

 File — Box: 21, 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: 1882-11-20 - 1888-05-23

Instrument - Clocks, 1888-05-23 - 1894-05-15

 File — Box: 21, 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: 1888-05-23 - 1894-05-15

Instrument - Clocks, 1894-05-20 - 1903-01-07

 File — Box: 21, 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: 1894-05-20 - 1903-01-07

Instrument - Clocks, 1903-01-09 - 1908-12-30

 File — Box: 21, 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: 1903-01-09 - 1908-12-30

Instrument - Printing Chronograph, 1897-11-18 - 1902-05-25

 File — Box: 21, 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: 1897-11-18 - 1902-05-25

Instrument - Printing Chronograph, 1902-03-29 - 1904-12-20

 File — Box: 21, 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: 1902-03-29 - 1904-12-20