Thermo-Quad metering rod measures

RustyRatRod said

In other words, it's just like the other tubes on it. None of them were works of art. Maybe it was added. It certainly doesn't look like it.

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You are right. It's hard to tell just by looking at the finish. I'm more concerned about that hole in the base. I'll just put a rubber cap on the tube and it's blocked.