| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | Coelostat 19:1169 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Coelostat (50m), 45-degree mirror, and track in the Yerkes Observatory basement hall. |
| Subject Terms | Coelostats | Mirrors | Astronomical instruments | Basements |
| Photograph Date | 1902-03-21 |
| Physical Format | Glass plate negatives; 19.5 x 24.1 cm |
| Location | 373 West Geneva Street | Williams Bay, Wisconsin |
| Campus Grid | Y01 |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-00618 |
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