Calvert, Mary Ross
| Title | Calvert, Mary Ross |
| View | Informal 53:1879 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Mary Ross Calvert, computer of Yerkes Observatory, operating the Kenwood 12-inch refractor telescope. |
| Subject Terms | Calvert, Mary Ross, 1884-1974 | Astronomers | Mental calculators | Astronomy--Observations | Refracting telescopes |
| Photographer | Blakslee, George C., 1861-1941 |
| Photograph Date | 1926-02-23 |
| Physical Format | Glass plate negatives; 24.4 x 19.5 cm |
| Location | Williams Bay, Wisconsin |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-01280 |
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