| RefNo | MM/4/38 | 
| Level | Item | 
| Title | Letter from John Ball, Colonial Office, to John Wrottesley, 2nd Baron Wrottesley | 
| Date | 6 March 1857 | 
| Description | On what scientific instruments would be best included with the forthcoming expedition to North West America, led by John Palliser, and on arranging a meeting with Edward Sabine and Joseph Dalton Hooker to advise on the expedition. | 
| Extent | 4 sides | 
| Format | Manuscript | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA6334 | Ball; John (1818 - 1889) | 1818 - 1889 | 
| NA3417 | Wrottesley; John (1798 - 1867); 2nd Baron Wrottesley | 1798 - 1867 | 
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 | 
| NA7983 | Hooker; Sir; Joseph Dalton (1817 - 1911); botanist | 1817 - 1911 |