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Old-school method for calculating linear ratios such as board footage. This particular example is from “Deane’s Doctrine of Naval Architecture” published in 1670. See the store page to download a free PDF that explains the process.
Old-school method for calculating linear ratios such as board footage. This particular example is from “Deane’s Doctrine of Naval Architecture” published in 1670. See the store page to download a free PDF that explains the process.