National NCX-3- for parts

National NCX-3-this was part of my father in laws things, I know nothing about it, looks decent on the outside, missing parts in the Inside, pickup in Mundelein. National NCX-3 (Amateur Radio) The National NCX-3 is a vintage piece of ham radio history built by the National Radio Company. Bands: Covers 80, 40, and 20-meter amateur radio bands. Modes: Supports SSB (Single Sideband), CW (Morse code), and limited AM. Power Output: Produces roughly 100 to 120 watts. Design: Uses 18 vacuum tubes, including 6GJ5 sweep tubes in the final output stage, and requires an external high-voltage AC or DC power supply (such as the NCX-A).