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What do these airfoil ordinates mean?

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Joined
Nov 14, 2009
Messages
9,911
Location
Rocky Mountains
I'm trying to wade through this old set of plans and just can't figure out what a few of the numbers represent. I've tried the old circle on a slope at a point for the nose curve and some other odd ideas but I just can't seem to figure this one out. Any ideas about the set of numbers in the column with the blue box?
ordinates.jpg
 
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