RefNo | AP/16/25/2 |
Level | Item |
Title | Unpublished letter, regarding the north magnetic pole from John Macdonald to Davies Gilbert |
Date | 5 February 1831 |
Description | Macdonald writes on calculations regarding magnetic dip which he believes will help to find the depth of the north magnetic pole within the Earth. Includes onediagram showing an experimental mode of finding the depth of the magnetic pole.
Subject: Magnetism / Trigonometry
Written by Macdonald at Summerlands, Exeter [England]. |
Extent | 6p |
Format | Manuscript |
PhysicalDescription | Ink on paper |
AccessStatus | Open |
Fellows associated with this archive
Code | PersonName | Dates |
NA3036 | Macdonald; John (1759 - 1831) | 1759 - 1831 |
NA8707 | Gilbert; Davies (1767-1839) | 1767-1839 |