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Machinists Term?

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Posted by Walter Hamler on January 9, 2002 21:31:44 UTC

Russell Porter, the father of atm's in the US was affiliated with a lot of machinists in his time and the term "lap" to them has to to with final polishing of a piece or pieces of metal to make for a more perfect fit or finish. It is possible that that is where the term derived.

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