Yerkes Observatory Buildings, Instruments, Equipment, Grounds
| Title | Yerkes Observatory Buildings, Instruments, Equipment, Grounds |
| View | 40-inch Refractor Telescope lens 2:2840 (2013-082) |
| Series | VI: Yerkes Observatory |
| Description | In the workshop of telescope maker Alvan Graham Clark, technicians hoist the objective lens of the Yerkes Observatory's 40-inch refractor telescope. |
| Subject Terms | Clark, Alvan Graham, 1832-1897 | Telescope lens makers | Refracting telescopes | Lenses (Components) |
| Photograph Date | ca. 1896 |
| Physical Format | Photographic prints; 15.3 x 21.7 cm |
| Location | Cambridgeport, Massachusetts |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-04598 |
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