How do you measure a porthole?



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Posted by Jeff Shaw on March 26, 2003 at 18:33:00:

Hey Board...

I just got my first Porthole!!!

But before any congratulations, I got it at a Yardsale.
Now people are asking questions like "what size is it?"
But I don't know what to measure. The glass, the opening, or from screwhole to screwhole?

So that makes it from 8 to 10 inches....
Remindes me of an old Limmerik.


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