| RefNo | RHB/9/4/1/3/4 |
| Previous numbers | J.72 |
| Level | Item |
| Title | 5-1/4 inch computer disk, 'New disks' sub, R H Brown |
| Date | 20th century |
| Description | Single-sided, double-density.
Make: Datalife |
| Format | Digital |
| AccessStatus | Closed |
| AccessConditions | Items remain closed for 30 years from date of creation. |