Board rule definitions

board rule

[n] - a measure used in computing board feet
Found on http://www.webdictionary.co.uk/definition.php?query=board%20rule

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board rule

noun a measure used in computing board feet
Found on https://www.encyclo.co.uk/local/20974

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board rule

a measuring device having scales for finding the cubic contents of a board without calculation.
Found on https://www.infoplease.com/dictionary/board-rule

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