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Finding Aids to Official Records of the Smithsonian Institution Archives

Record Unit 474

Smithsonian Astrophysical Observatory

Records, 1893-1899

Repository: Smithsonian Institution Archives, Washington, D.C. Contact us at osiaref@si.edu.
Creator: Smithsonian Astrophysical Observatory
Title: Records
Dates: 1893-1899
Quantity: 0.25 cu. ft. (1 half document box)
Collection: Record Unit 474
Language of Materials: English
Summary:

This record unit consists of correspondence written to Child and Abbot by Samuel P. Langley, Secretary of the Smithsonian and APO Director. The correspondence concerns APO solar constant experiments, especially rules and precepts for photo-bolometric work; facilities, equipment, and apparatus; and APO publications.

Historical Note

Robert C. Child was appointed Assistant in the Astrophysical Observatory (APO) in 1893. In 1894 his title was changed to Aid, Acting in Charge, APO, a position he retained until 1896. Charles G. Abbot joined the APO as an Assistant in 1895. The following year he became Aid, Acting in Charge, APO.

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Descriptive Entry

This record unit consists of correspondence written to Child and Abbot by Samuel P. Langley, Secretary of the Smithsonian and APO Director. The correspondence concerns APO solar constant experiments, especially rules and precepts for photo-bolometric work; facilities, equipment, and apparatus; and APO publications.

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This collection is indexed under the following access terms. These are links to collections with related topics, persons or places.

Name

Subject

Physical Characteristics of Materials in the Collection

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Preferred Citation

Smithsonian Institution Archives, Record Unit 474, Smithsonian Astrophysical Observatory, Records

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Container List

Box 1

Folder 1 Correspondence, 1893-1894

Box 1 of 1

Folder 2 Correspondence, 1895-1896

Box 1 of 1

Folder 3 Correspondence, 1897-1899

Box 1 of 1