EMI  Operational Amplifier type ACOA7/1  c1957

This plug-in EMI Analogue Computer Operational Amplifier (c1957) was used at Lucas Aerospace,

Fordhouses, Wolverhampton who manufactured flight controls, wing flap actuators etc.

The Operational Amplifier is thought to have come from the EMIAC II Analogue Computer

used in simulation of controls for the BAC TSR-2 Combat, Bomber, Reconnaissance Aircraft.