Part 9/18:
A 1940s vacuum tube Navy receiver coated with Rhoadium, still in remarkably pristine condition.
An R390 Navy receiver from the 1950s with visible gears that operate purely on analog principles.
An antique cannon from the Civil War era, loaded with black powder, capable of firing rounds.
A multi-antenna high-energy device resembling a "ray gun" capable of emitting low-frequency, high-voltage electromagnetic beams, purportedly used for experiments or even destructive applications.