Click on a thumbnail photo to see a high-resolution image
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National HRO "Doghouse" Model 697 Power Supply restoration
Click on a thumbnail image to see a larger picture
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| I tried bringing the doghouse up on a variac (slowly, over a couple of months) but it's dead. So I gave up and built a replacement power supply. I may yet try to build a replacement supply to fit within what I can salvage of the doghouse case. |