ART13 testing with bulbs to complete the filament string?

------ Original Message ------
Received: Sun, 14 Sep 2025 10:09:12 PM EDT
From: "B. Smith via MRCA" <[email protected]>
To: Military Radio Collectors Association <[email protected]>
Subject: [MRCA] Mystery Weekend Project

Mystery project here in Chickenland.
Z

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