vintage AC to 12 volt DC regulated power supply, GC Electronics 18-580 power supply

vintage GC Electronics Regulated 12 Volt Power Supply 18-580. According to the markings on the back, this is rated for input 110 - 120 VAC, output 13.8 VDC, 3 Amp, 75 watts. It was made in Hong Kong.

This has some minor flaking to the finish, but we've tested it with a volt meter and it works.