| RefNo | MS/928/2/56 |
| Level | Item |
| Title | Postcard from A F Dufton, to Charles Vernon Boys, St Marybourne, Andover, Hampshire |
| Creator | Dufton; Arthur Felix (d.1958); British |
| Recipient | Boys; Sir Charles Vernon (1855-1944); British physicist and inventor |
| Date | 3 April 1940 |
| Description | A mathematical 'four 4s' problem, 'for your amusement'. |
| Extent | 2p |
| Format | Manuscript |
| PhysicalDescription | On card |
| AccessStatus | Open |