DuMont Laboratories ​Cathode-Ray Oscillograph Type 2559A - Powers On - AS IS

Condition: 

This item is in good physical condition. No major damage to the case or knobs noticed. It does power on but other than that I am not sure how it operates to test it. Calibrated at one time by FAA PMEL.

Please review all pictures as they are part of the description and condition.