| 13482A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 13482A-3 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 13482A-3 AND 3967A-1 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 3967A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 3967A-1 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 3967A-1 AND 13482A-3 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |