| RefNo | AP/31/13 | 
| Level | Item | 
| Title | Letter, 'Remarks on de la Rive's theory for the physical explanation of the causes which produce the diurnal variation of the magnetic declination' from Edward Sabine to Samuel Hunter Christie | 
| Date | 16 April 1849 | 
| Description | Sabine writes of a theory regarding the general phenomena of the diurnal variation of the magnetic declination, and, in particular, the phenomena observed at St Helena and at the Cape of Good Hope [South Africa]. 
 Annotations in ink throughout.
 
 Subject: Magnetism / Meteorology
 
 Received 19 April 1849. Communicated by Christie.
 
 Written by Sabine in Woolwich [London].
 
 This letter was published in full in volume 5 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'Remarks on M. De la Rive’s theory for the physical explanation of the causes which produce the diurnal variation of the magnetic declination. In a letter to S. Hunter Christie, Esq., Sec. R. S., from Lieut.-Col. Sabine, For. Sec. R. S. Communicated by S. Hunter Christie, Esq'.
 | 
| Extent | 8p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | DOI: 10.1098/rspl.1843.0189 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 | 
| NA8168 | Christie; Samuel Hunter (1784 - 1865); mathematician | 1784 - 1865 |