Microprocessor unit for single-valve steam turbine governing systems. ...

Microprocessor control board for 505 series single-valve steam turbine governing. ...

Microprocessor core board for single-valve steam turbine governing systems. ...

Microprocessor board for single-valve steam turbine speed governing systems. ...

Microprocessor core board for single-valve steam turbine governing systems. ...

40MHz processor core for gas/steam turbine governing control systems. ...