#vacuumtubevoltmeter — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #vacuumtubevoltmeter, aggregated by home.social.
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Heathkit IM-13 VTVM Repair - If you are under a certain age, you might not know the initialism VTVM. It stands ... - https://hackaday.com/2021/11/07/heathkit-im-13-vtvm-repair/ #vacuumtubevoltmeter #repairhacks #voltmeter #teardown #heathkit #vtvm