Auburn Annie -
Gotta ask - I don't hear that expression "half a bubble off" much outside of my profession, where instruments for mapping and surveying are set-up first quick-shot by a bull's-eye bubble, then fine-tuned to level other ways.
Have you heard it in general use ?, or am I being a little presumptuous that we use that phrase only in shop-talk ? LOL - I love that one. hehe
geo Steve
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