Thread: It followed me home,, really! In the back of my truck
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  #10  
Old 07-19-2008, 04:08 PM
Eric H's Avatar
Eric H Eric H is offline
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Join Date: Jun 2002
Location: So. Calif
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Looks original to me, or original number replacement.
My 53 uses a 21EP4 with a vertically flat (more or less) face, I think 21ZP4 was another tube used by Philco.
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