One of two original marked 50C5. All tubes tested good.
FCC Label on the chassis bottom.
Page from an early Allied Radio catalog.
Wow, Look at that selenium rectifier.
Notice the 20uF capacitor is disconnected. The only problem found.
Am Transmitter found in working condition. The Knight-Kit logo has been rubbed off the chassis.
Schematic of the transmitter. OH NO! Chassis connected to power line through R4 and C2.