Container Raisin River Pettit 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 2, circa 1929-1987
Container Ritter Observatory, University of Toledo 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 2, circa 1929-1987
Container USNO 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 2, circa 1929-1987
Container USNO large refractor 0 Van Vleck Observatory Wesleyan University 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 2, circa 1929-1987
Container Yale Radio Observatory 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 2, circa 1929-1987
Container Yerkes 40 inch 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 2, circa 1929-1987
Container Stroke Ruling engine 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 2, circa 1929-1987
Container JW Fecker shop telescopes, 1929 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 2, circa 1929-1987
Container Constellations 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 2, circa 1929-1987
Container Constellation 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 2, circa 1929-1987