| RefNo | MA/256/2 | 
| Previous numbers | MA.257 | 
| Level | File | 
| Title | Magnetic and meteorological observations made from Port Louis, Falkland Islands visited by HMS Erebus, by [James Clark Ross?] | 
| Creator | Ross; Sir James Clark (1800-1862); polar explorer | 
| Date | 18 April-26 November 1842 | 
| Description | Abstracts of daily observations and term-day observations, by month, made at Port Louis, Berkeley Sound, East Falkland Island. These tables record readings of: declination, horizontal, and vertical force magnetometers, with associated thermometers; uncorrected and corrected barometer and attached thermometer; wet and dry bulb thermometers, with sums and means. | 
| Extent | 244p. [multiple blank or unused pages] | 
| Format | Printed | 
| Manuscript | 
| PhysicalDescription | Half bound in read leather, blue cloth boards. Gilded inscriptions to spine: 'Abstract Book 2 H.M. Ship Erebus'. Typed paper label to top of spine: 'Met. Arch. 257'. Inner front board has an engraved paper label: 'Wm. H. Allen & Co. Booksellers, Publishers & Importers of Oriental Works; 7 Leadenhall Street. Maps, Charts, Stationary &c.'. | 
| Dimensions | 395x256mm. | 
| AccessStatus | Open |