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My Martin measurements are, for 000/OM, 000 12 fret are 4 1/8" for box at bottom but list no measurement at top for any of the three. What is proper measurement at top end?

I appologize for so many posts today but I think, in reaction to the news of surgery, that my Bi-Polar malady, my brain chemicals have decided to handle the news in the hypo-manic mode, so, in order to avoid p---- anyone off, I am giving my keyboard to my neighbor until I come down a bit.

My OM is 3 13/16 at ub amd 4 1/4 at lb I believe Martin is 3 7/8 at ub and 4 1/8 at lbMichaelP38953.5033564815

Bob, you got our full support buddy, if it can make ya feel better, go ahead and post, you might even be able to get close to my prolific numbers!

My Martin OOO is 4 1/8" at the tail and 3 3/4" at the head.     My Martin OM is 4 1/8" and 3 7/8". Both of these are from the 30s when Martin sizes were variable to say the least, but they are the sizes I use when building 12-fret OOOs and 14-fret OMs respectively.

Colin Colin S38953.5851967593

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I don't believe in anything, I simply make use of a set of reasonable working hypotheses.

Thanks to the three of you. As always, just what I needed to know.