High octane Posted April 14, 2018 Share Posted April 14, 2018 14 hours ago, Xingu said: It is a slide for adding/subtracting feet and inches, down to 1/8 of an inch. We had to do that on the job site using our head and a tape measure. Quote Link to comment Share on other sites More sharing options...
Greg Myers Posted April 17, 2018 Share Posted April 17, 2018 (edited) and in the old world of Auto Rally . and if you really gotta have one, https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR4.TRC1.A0.H0.XCurta+calculator.TRS0&_nkw=Curta+calculator&_sacat=0 Edited April 17, 2018 by Greg Myers Quote Link to comment Share on other sites More sharing options...
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