McDonald Observatory
| Title | McDonald Observatory |
| View | Mirror Preparation 5 |
| Series | II: Buildings and Grounds |
| Description | At Warner & Swasey, final inspection of the glass disc before coating it with chromium and aluminum in an aluminizing chamber. The University of Michigan's Dr. Robley C. Williams gives the glass a final wiping. |
| Subject Terms | Williams, Robley Cook, 1908-1995 | Mirrors--Design and construction | Reflecting telescopes | Manufacturing processes | Warner & Swasey Company |
| Photographer | Warner & Swasey Company |
| Photograph Date | 1939 |
| Physical Format | Photographic prints; 17.0 x 21.7 cm |
| Location | Cleveland, Ohio |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf2-05090 |
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