Yerkes Observatory Buildings, Instruments, Equipment, Grounds
| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | Measuring Machine 23:1631 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Yerkes Observatory measuring machine for small plates, with the filar micrometer borrowed from the Zeiss stereocomparator. Frame made in the shop. |
| Subject Terms | Micrometers | Measuring instruments | Photographic plates | Astronomical instruments | Astronomical photography |
| Photograph Date | Undated |
| Physical Format | Glass plate negatives; 13.3 x 15.2 cm |
| Manufacturer | William Gaertner & Company |
| 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 | apf6-00716 |
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