Identity area
Reference code
Add. MS a/206/80
Title
Letter from William J. Henwood
Date(s)
- 1 Aug. 1829 (Creation)
Level of description
Item
Extent and medium
2 pp
Context area
Name of creator
Repository
Content and structure area
Scope and content
Perran Wharf near Truro - WJH intends to try 'some magnetic experiments in some of our mines - in order to ascertain if possible - whether there is any difference in the intensity of terrestrial magnetism - underground and at the surface - and whether… read more