| RefNo | MM/25/12 |
| Level | Item |
| Title | Letter from James Cumming, Cambridge, to Richard Phillips, Baldwin Cradock & Joys, Paternoster Row, London |
| Date | 30 April 1823 |
| Description | Letter concerning Cumming's work on electro-magentism and thermos electricity '…all metals not excepting fluid necessary, produced a deviation on the magnetic needle of a Galvanoscope, provided the extremities of the metallic bars employed were at different temperatures…' |
| Extent | 4p. |
| Format | Manuscript |
| PhysicalDescription | On paper, loose. 1 folio, folded |
| AccessStatus | Open |