| RefNo | MS/257/2/136 | 
| AltRefNo | Sa.518 | 
| Previous numbers | ES2/15/518 | 
| Level | Item | 
| Title | Letter from George Adolph Erman, Berlin to Edward Sabine | 
| Date | 22 January 1872 | 
| Description | Erman returns a copy of the magnetic observations ‘called zone 6’. Discusses the third part of the reductions Erman executed for Sabine. Refers to the Gaussian constant and Erman’s sea observations. | 
| Extent | 2p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA6010 | Erman; Georg Adolf (1806 - 1877) | 1806 - 1877 | 
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |