Table testing pt III

Parts I and II are part of my original blogging back before I started using blog software.

This is a continuation of the some of the discussion from this thread.

I’ve done a ton of testing over the last few days, changing air in my inner tubes, swapping lasers and optics, moving my big laser off the table, wandering around the house doing various housely things and recording what happens to the fringes in an interferometer.

Here’s what I’ve found.

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