Atempting to implement an automated 'electron tube tester' via an old telecom 'crossbar switch' isn't as easy as it would seem (or, rather, should be) -- Liquifying and leaking hemorrhaging potting compound (AKA 'Green Goo') not withstanding...
Sometimes the simplest things.... and all that --- Ah! well! Time for Tonight's libation (gulp)! (T.L. attribution: @joeyd999)
TTFN
HP
Sometimes the simplest things.... and all that --- Ah! well! Time for Tonight's libation (gulp)! (T.L. attribution: @joeyd999)
TTFN
HP