Cylinder Head Temperature, 350 Deg C, Italian Royal Air Force (Regia Aeronautica Italiana) KC-97 The other modules are three

The other modules are three servo units (aileron

The mach number limit is adjusted for the specific aircraft model by turning the inset screw on the rear case prior to installation

Here is a WW2-vintage electrical Free Air Temperature Indicator

this director may be used as an auxiliary gun sight for the airplane's fixed guns by adjusting the director to a position parallel to the center line of the airplane

Cylinder Head Temperature, 350 Deg C, Italian Royal Air Force (Regia Aeronautica Italiana) KC-97 The other modules are threeHere is an authentic WWII era Cylinder Head Temperature gauge as used across many fighters and bombers of the Italian Royal Air Force (Regia Aeronautica Italiana). It measures to 350d C. The gauge can be seen in the cockpit photo of the Fiat G. 50 Freccia fighter just to the left of the stick. It is in good condition given its age. The glass and case are intact, with just some paint scrapes. Measures ~3. 5 inches diameter and ~2 inches deep.