| RefNo | MC/3/158 | 
| Level | Item | 
| Title | Letter from [Sir Charles] Trevelyan, [Assistant Secretary to] Treasury Chambers, to the Marquis of Northampton [President of the Royal Society] | 
| Date | 30 April 1841 | 
| Description | Forwarding a copy of a minute of the Board relative to the magnetic surveys of British colonies in North America. [Enclosure present, has an extent of 3p, and contains estimated expenses. It is labelled within the volume as MC/3/158a.]
 [Read by Council on 13 May 1841.]
 | 
| Extent | 4p | 
| Format | Manuscript | 
| AccessStatus | Open | 
| RelatedRecord | CMP/1/146 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA2272 | Compton; Spencer Joshua Alwyne (1790 - 1851); 2nd Marquess of Northampton | 1790 - 1851 |