bigdave9648

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bigdave9648

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  • 07.20.2016
  • Vintage electrical measuring instruments from the 1950s
  • I have a HP model 300A Harmonic Wave Analyzer which I bought from the federal government 30 years ago. It is in good condition but the wooden enclosure has some marks. It worked last time I tried it. All original including tubes and powercord. Probably worth big bucks. Any interest? Dave