KEPCO DC Power Supply Model ABC 7.25-2M. Unit powers up and appears to be in good working condition, but I don't have the ability to fully test it.

Tag says:

Model: ABC 7.5-2M

Serial: E-27211

Output: 0-7.5V 0-.2MA

Input: 115/230V 50-440

Fuse-Slo 1A/0.5A