| RefNo | HS/13/414 |
| Level | Item |
| Title | Letter, from Giovanni Antonio Plana to Sir John Herschel, dated at Turin |
| Creator | Plana; Giovanni Antonio Amedeo (1781 - 1864) |
| Date | 24 March 1825 |
| Description | Autograph letter signed by sender. Is helping another scientist bring to publication a work on triangulation in the Alps. Comments on John Frederick William Herschel's idea of suspending an extremely long plumb bob at a particular precipice in the Alps [Foucault pendulum?]. Giovanni Plana does not believe the results would warrant the expense. Comments on the floating collimator [see John Frederick William Herschel's 1825-1-14], noting that he does not find it very helpful. |
| Language | French |
| Extent | 4pp |
| Format | Manuscript |
| Place origin | Turin, Italy |
| Origin coordinates | 45.079167, 7.676111 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel12544
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA2505 | Plana; Giovanni Antonio Amedeo (1781 - 1864) | 1781 - 1864 |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |