| 1 | Author: | Roberts, Joseph,1793-1835. | Requires cookie* |
| Title: | Astronomical calculations,1820-1821 | ||
| Dates: | 1820-1821 | ||
| Abstract: | Joseph Roberts was a teacher at Friends Academy. This volume contains various astronomical calculations done by him and his students for 1820-1821. View finding aid for a full description | ||
| Call #: | Mss.524.M44 | ||
| Extent: | 1 volume(s) | ||
| Topics: | Education | Science and technology | ||
| Genre: | Educational Material | Scientific Data | ||
| Subjects: | Astronomy. | Meteorology -- Pennsylvania -- Philadelphia. |
