| RefNo | RHB/9/4/1/4/1 |
| Previous numbers | J.81 |
| Level | Item |
| Title | 5-1/4 inch computer disk, 'LTRS/INSURE', R H Brown |
| Date | 1991-1999 |
| Description | No information regarding single or double-sidedness. No information regarding density. Make: TANDY Universal Certified Diskette MS-DOS/PC-DOS |
| Format | Digital |
| AccessStatus | Closed |
| AccessConditions | Items remain closed for 30 years from date of creation. |
| RelatedMaterial | See J.94, J.95. |