File Artifacts Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Negatives
File Astronomical instruments, August 2, 1996 Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Negatives
File Restoration Rolls 1-137, 1996-1999 5 folders Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Negatives
File Etchings In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials
File Etchings of Detroit Observatory by Cropsey & Leggett (set of 8) [D.O. no. 130] Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Etchings
File Etching of Detroit Observatory by Cropsey & Leggett [D.O. no. 182] Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Etchings
File Microfilm In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials
File Mount Wilson Sunspot Maps, 1925-1941 6 microfilms Box 18 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Microfilm
File Mount Wilson & Polomar Observatory, magnetic observations of sunspots, 1959-1961 2 rolls Box 18 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Microfilm
File Polarity Drawings, 1958 Box 18 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Microfilm