| Level | Item |
| Reference Number (click to see whole series/group) | SMT2/100 |
| Extent | 1 file |
| Title | SECURITIES MANAGEMENT TRUST LTD (SMT): ARMSTRONG WHITWORTH SECURITIES LTD |
| Date | 18 Mar 1942 - 26 Aug 1942 |
| Description | Kadenacy patents. |
| Related Material | Index: SMT2/105 |
| Original Reference | S214_3A |