Any markings?

“In matters of style, float with the current. In matters of Principle, stand like a rock. “.   -   Thomas Jefferson 

Sent from my iPhone

On Nov 29, 2025, at 3:27 PM, Al Klase <[email protected]> wrote:


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<20251129_151421.jpg>
  
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Larger tube is a 3B4 (Gone to air)

What is this?
AL
--
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/


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