Tube cross reference

[LORNE BARBER]

I think this has been asked before but here goes again
I am looking for a  listing of industrial number tubes crossing
over to more common North American types.
i.e. a 5726 crosses to a 6AL5, 5749 to a 6BA6 etc.
Can some one please stear me in the right direction. I have
many Industrial number tubes and have no idea what they are.
Thank You and Best of the Season

73
Lorne VE7BOX

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