Install a Battery Eliminator in a vintage VTVM

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If you are tired of cleaning up corrosion and replacing your 1.5 Volt battery in your Vintage VTVM, this is a simple fix that will not only save you the hassle, it will prolong the life of your instrument and require less calibration! I will show you how to install a inexpensive mini 1.5V power supply in your VTVM. I will also walk through fabricating test leads and calibrating an RCA WV-77E VoltOhmyst Vacuum Tube Voltmeter (VTVM)
  1. Antique Radio Archeology - William Morris
  2. Test Equipment Repair
  3. Alignment
  4. VTVM
  5. Vacuum Tube Voltmeter
  6. RCA WV-77E
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You could have gotten that for free, an built it from scrap parts laying around. Robert Sumption worked for Heathkit an has put the schematic an parts layout they used. There are other ones you could have found online. I hate that you paid anything for that kit. I am one that does my own an I would have liked to have seen you build it. Just my opinion.

cwradio