Airspeed Instrument, Soviet/Russian, Unknown function, Cold War-era F-94 It is in excellent condition

It is in excellent condition given its age

the faceplate rotates to indicate the selected frequency within the small metal frame (to which a small lamp could be affixed for illumination)

The BC-765 Switch Box was installed in the cockpit of many bomber or transport aircraft of WW2 as part of the SCR-595 or -695 Identification Friend or Foe (IFF) radio systems

Here is a dual Tachometer for use in military helicopters

Airspeed Instrument, Soviet/Russian, Unknown function, Cold War-era F-94 It is in excellent conditionThis Soviet Russian aircraft instrument appears to be for setting an airspeed between 70 220 kilometers per hour. The center knob turns and rotates the only pointer around the dial. The seemingly pitotstatic pneumatic connections in the back are protected by a beige tube for storage (I'm assuming), and an electrical connector exits the back case. It may be some sort of a stall warning instrument, whereby the pilot could set an airspeed below which a