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This article may contain incorrect information. All I can find on nail as a unit of measurement is an obsolete measure of cloth, equal to 1/16 of a yard. Skyrocket654 ( talk) 15:02, 12 July 2008 (UTC) reply

I supplied a reference for the nail as a unit of weight (mass), as well as for the cloth measure. Then I deleted the two unreferenced units (16th of a foot and 16th of an acre) as I could find nothing about these units and the warning tag had been there since 2008. Zyxwv99 ( talk) 17:36, 23 January 2012 (UTC) reply