File Design of 48" telescope. one drawing includes both 48" and 50" telescopes [D.O. no. 268] 13 drawings Drawer 245 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Architectural and Mechanical Drawings » Scientific instruments
File Proposed Coude Spectrograph for the University of Michigan [D.O. no. 269] Drawer 245 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Architectural and Mechanical Drawings » Scientific instruments
File Parts related to telescopes or telescope use [D.O. no. 270] 4 drawings In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Architectural and Mechanical Drawings » Scientific instruments