Terry, If you use a combination of small/large hitch pins, it is possible to get the backscale to be parallel with the speaking lengths. A lot of German manufacturers and a few US factories did this around the turn of the 20th Century, but like a lot of other good ideas, it fell by the wayside. (SIGH :-() Best Regards, Joe Garrett, RPT, (Oregon) Been There, Didn't Like It, So I'm Here To Stay! [G}
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