| Ref No | DM1306/11/1/2/folio 234-235 |
| Title | Letter from R. W. Fox to Isambard Kingdom Brunel |
| Description | Written from Falmouth. The letter mentions that Fox has had a portable instrument constructed for testing the amount of local magnetic interference on compass needles in different parts of the ship and has used it for various experiments. The letter also suggests that a similar device might be quite useful for Brunel. |
| Date | 3 September 1855 |
| Format | Manuscript volume |
| Extent | 2 pages |
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| Access Conditions | This material is held at the Brunel Institute - please contact the Brunel Institute to arrange access. |