Yerkes Observatory Buildings, Instruments, Equipment, Grounds
| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | Parallax Scanner 71:55 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Attached to the Yerkes Observatory telescope, a photoelectric parallax scanner which measures parallaxes and proper motions. |
| Subject Terms | Measuring instruments | Telescopes | Parallax | Proper motion | Stellar motions | Celestial reference systems |
| Photograph Date | 1970s |
| Physical Format | Black-and-white negatives; 9.4 x 11.4 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 | apf6-01959 |
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