| RefNo | HS/19/196 | 
| Level | Item | 
| Title | Rough sketch of astronomical trajectory, by Sir John Frederick William Herschel | 
| Creator | Herschel; Sir; John Frederick William (1792 - 1871); astronomer and mathematician | 
| Date | 1859 | 
| Description | Ink sketch of triangulation for astronomical observation, placing the trajectory of an object for 23 November 1858 and 14 October 1859, in Herschel's hand. | 
| Language | English | 
| Extent | 1 p. | 
| PhysicalDescription | Ink on paper | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedRecord | HS/19/197 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |