| Level | Item |
| Reference Number (click to see whole series/group) | AC13/835 |
| Extent | 1 file |
| Title | ACCOUNTANT'S DEPARTMENT FILE RELATING TO MECHANISATION: HOLLERITH MACHINES |
| Date | 1936 |
| Description | The file contains an illustrated booklet of The British Tabulating Machine Co Ltd explaining standard equipment. |
| Original Reference | 52 |
| Keyword | Information Technology (IT); computer; computerisation |