My goodness - check out what the boffins at Sylvania created back in the 1960s - a triple triode tube! #electrontube #vacuumtube #valve

IT STARTED WITH AN ELECTRODE CAGE....... Today's photograph from the Mullard archives shows Albert Pumphrey, a valve engineer from the Blackburn Works examining Hilda Brooks' efforts at delicately constructing an electrode cage in May 1952. ...

Ah, those were the days: Albert Pumphrey, a valve engineer from Mullard Blackburn Works examining Hilda Brooks' efforts at delicately constructing an electrode cage in May 1952. mullard.org/blogs/news/vv #Mullard #electrontube #thermionic mullard.org/blogs/news/vv

Rejuvenation of exhausted vacuum tubes |Radiomuseum.org

Interesting thread on how to rejuvenate tubes: www.radiomuseum.org/forum/rejuve... #vacuumtube #electrontube #thermionicvalve

How straighten tube pins. www.youtube.com/watch?v=Druf... #vacuumtube #electrontube #thermionicvalve

How To Replace Tubes In Your Effectrode Pedal: www.youtube.com/watch?v=cXWW... #electrontube #fxpedal #guitarfx