Yerkes Observatory Buildings, Instruments, Equipment, Grounds
| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | Micrometer 26:1834 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Micrometer attached to the Yerkes Observatory 40-inch refractor telescope showing the new illuminating device and reversing prism. |
| Subject Terms | Micrometers | Refracting telescopes | Prisms | Measuring instruments | Astronomical instruments |
| Photographer | Blakslee, George C., 1861-1941 |
| Photograph Date | 1925-11-19 |
| Physical Format | Glass plate negatives; 19.5 x 22.9 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 | apf6-00324 |
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