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Tuesday, August 17, 2021

CONTINUITY: Hewlett-Packard 150A Oscilloscope Restoration: Part 2

After a release of the magic smoke event, replacing defunct capacitors, testing and changing defective vacuum tubes, the beast, with fifty-two tubes aglow, begins to come to life. More troubleshooting remains, but it's coming along.

Posted at August 17, 2021 11:20