Yerkes Observatory Buildings, Instruments, Equipment, Grounds
| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | 40-inch Refractor Telescope 69:1153 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Diffraction grating of wooden bars placed over an objective of the Yerkes Observatory 40-inch refractor telescope for photometric purposes. |
| Subject Terms | Refracting telescopes | Astronomical photometry | Photometers | Lenses (Components) | Astronomical photography |
| Photograph Date | Undated |
| Physical Format | Glass plate negatives; 9.9 x 11.5 cm |
| Manufacturer | Alvan Clark & Sons; Warner & Swasey 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 | apf6-01750 |
View information about rights and permissions.
View information about ordering reproductions.