| RefNo | RHB/9/4/1/2/5 |
| Previous numbers | J.64 |
| Level | Item |
| Title | 5-1/4 inch computer disk, 'Boffin.Ch.3 [...]', R H Brown |
| Date | 20th century |
| Description | Double-sided, double-density.
Make: Dixons 2D
Further inscribed: 'for WP v.5'. |
| Format | Digital |
| AccessStatus | Closed |
| AccessConditions | Items remain closed for 30 years from date of creation. |