| Reference number | MS/257/1/234 |
| Alternative reference number | Sa.234 |
| Previous numbers | ES1/38/234 |
| Level | Item |
| Title | Letter from Charles Brooke, 29 Keppel Street to Edward Sabine |
| Date | 11 September 1847 |
| Description | Brooke believes the existence of [means?] will be useful in advancing knowledge of terrestrial magnetism, and would like Sabine’s assistance in distributing his paper on the subject. Brooke includes a list of names and enquires is Sabine could forward his paper to them without any personal inconvenience. Brooke would like Sabine to forward a note to Admiral Beaufort [not enclosed] regarding chronometers.
Discussion on the method of adjusting the bifilar magnetometer at right angles to the magnetic meridian, the best relative position of the three magnets [declination, horizontal force and vertical force], the divisions for the scale of the collimator, and the angle of torsion for the bifilar magnetometer. |
| Extent | 5p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA7650 | Brooke; Charles (1804 - 1879) | 1804 - 1879 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |