File Small box "Mirrors, prism grating, slits, filters" In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 320]
File Spectrograph glass plate, circa 1918 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials
File Slides [D.O. no. 147] 4 slide boxes, 1 folder In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials
File Slide Box 1, circa 1915-1970 Box 28 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147]
Container Sunspots In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147] » Slide Box 1, circa 1915-1970
Container Largest spots In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147] » Slide Box 1, circa 1915-1970
Container Isophotes In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147] » Slide Box 1, circa 1915-1970
Container E-bombs In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147] » Slide Box 1, circa 1915-1970
Container Flares In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147] » Slide Box 1, circa 1915-1970
Container Lya BaK-white sun In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Slides [D.O. no. 147] » Slide Box 1, circa 1915-1970