Yerkes Observatory Buildings, Instruments, Equipment, Grounds
| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | Photometer 55:3171 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Photoelectric photometer developed by William Hiltner and Harold Johnson attached to the Yerkes Observatory 40-inch refractor telescope. |
| Subject Terms | Hiltner, William Albert, 1914-1991 | Johnson, Harold Lester, 1921-1980 | Astronomers | Photoelectric photometers | Refracting telescopes |
| Photograph Date | 1947-08-01 |
| Physical Format | Glass plate negatives; 17.5 x 22.7 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 | apf6-01362 |
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