| RefNo | HS/25/14/23 |
| Level | Item |
| Title | Summary of letters, from Sir John Frederick William Herschel to T[homas] Maclear |
| Date | 1870s |
| Description | Summary of 7 letters from Sir John Frederick William Herschel to Thomas Maclear, not copied in the copy book by Colonel John Herschel.
Letters dated:
16 December 1835 [South African College Prizes; enquiry about Captain Grey; loss Lacaille Mural Quadrant]
March 31 1836 [Forgot to observe comet]
23 August 1836 [Reductions of the comet]
26 August 1836 [Comet; returning Smyth's letter "what a dreadful exposé of either incredibility on the one hand or incredulity on the other"
17 December 1836 [Actinometer - proposes standard for measure through heating a cubic meter of water]
18 November 1837 [Working on polishing mirrors. Parade for the base line commanded. ]
3 January 1838 [Recalculation of local triangulation]
Each letters is decribed in a few words. |
| Extent | 2 pp. |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |
| NA7105 | Maclear; Sir; Thomas (1794 - 1879) | 1794 - 1879 |