Horace W. Babcock: "Diffraction gratings at the Mount Wilson Observatory," 1986
Container:
Box 9 of 21
Type:
Archival materials
Collection Restrictions:
Until the death of the Donor, SIA will notify the Donor prior to, or within 7 days after, the materials have been accessed for research, Transferring office; 9/5/2007 Deed of Gift; Contact reference staff for details.
Collection Citation:
Smithsonian Institution Archives, Accession 16-376, David H. DeVorkin Papers
Folder 6 Correspondence Pe - Pf, 1930. Correspondents include F. G. Pease; includes photographs of construction of interferometer at Mount Wilson Observatory.
Container:
Box 117 of 459
Type:
Archival materials
Collection Citation:
Smithsonian Institution Archives, Record Unit 7091, Science Service, Records
Includes about 250 items concerning Butler's astronomical observations and paintings of astronomical events. Correspondents include John A. Miller, Joseph Raymond Swain, Jakop Kimz, Frderick Socub, N. E. Wheeler, George E. Hale, John Q. Stuart, and representatives of Mount Wilson Observatory.
Collection Restrictions:
This collection is open for research. Microfilmed materials must be consulted on microfilm. Contact Reference Services for more information.