Talk:Machinist square
Latest comment: 6 years ago by Darkman101 in topic What is a cylindrical master square ?
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What is a cylindrical master square ? edit
The section "Accuracy" mentions a cylindrical master square. I have never heard of this, and there is no explanation or link. Please would someone knowledgeable add this information or create a page on it ? Darkman101 (talk) 00:01, 22 January 2018 (UTC)