| Reference number | MS/257/1/243 |
| Alternative reference number | Sa.243 |
| Previous numbers | ES1/39/243 |
| Level | Item |
| Title | Letter from John Allan Broun, Makerstoun Observatory to [Edward Sabine] |
| Date | 7 August 1843 |
| Description | Broun updates [Sabine] on magnetic affairs at [Makerstoun Observatory]. Declination observations will be printed in angular measure, while horizontal and vertical force will be in scale divisions. Broun discusses difficulties in corrections of the vertical force. Discussion on the arc of vibrations and comparisons to the observatory at Greenwich. Broun refers to Mr Russell’s term observations. Broun notes their ‘greatest magnetic disturbance’ occurred on 6th May. |
| Extent | 7p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA3813 | Broun; John Allan (1817 - 1879) | 1817 - 1879 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |