| 1 |
ZN1040AE |
Universal Count / Display Circuit |
Ferranti Electric |
 |
| 2 |
ZN1040AE |
Universal Count / Display Circuit |
GEC Plessey Semiconductors |
|
| 3 |
ZN1040E |
Universal Count / Display Circuit |
Ferranti Electric |
|
| 4 |
ZN1040E |
Universal Count / Display Circuit |
GEC Plessey Semiconductors |
|
| 5 |
ZN1040E |
Universal 4 Digital Display Counter |
ETC |
|
| 6 |
ZN1040E-RD |
Universal 4 Digital Display Counter |
ETC |
|
