John, that is a fantastic table. Here's what you can do with it.
Even "straight" frames need a little tweaking now and then. It's all about achieving parallel. Once you have a table like yours, those dialed-in wheelsets will roll on down the road smack dab center no handed thanks to the frame being "straight."
Rear end center really centered with bottom bracket.
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Setting up cones to get the head pointing parallel.
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Towers to keep some things from moving while moving other things.
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This rear wheel is exactly the same height above the table wherever you measure.
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All you need is a big spacer, a nut and bolt and a couple heavy washers. Nice find.