Attitude Indicator, Remote/Standby, Type MM-2 USAF, USN, F-104, F-100 Victor The knob rotates the compass

The knob rotates the compass card to select the desired direction of flight

Here is an aircraft battery Ammeter

type B-9C (formerly AN5772-2) and made by US Gauge

A backlight would glow from the perimeter of the dial and illuminate the lettering

Attitude Indicator, Remote/Standby, Type MM-2 USAF, USN, F-104, F-100 Victor The knob rotates the compassThe Type MM 2 Remote Attitude Indicator was used in versions of the Lockheed F 104 Starfighter and the F 100 Super Sabre either as secondary, or standby, indicators or in the instrument panel of the rear cockpit seat for two seat aircraft. Our indicator was eventually processed through Naval Air Station (NAS) Alameda (CA) in 1967.