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The History of Measuring Tools - Keson
National Museum of American History
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The African History - A beautiful representation of how the ancient Egyptians used measuring tools. C: Treasures of Ancient Egypt | Facebook
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Measuring Instruments: Tools of Knowledge (History of technology series) - Sydenham, P. H.: 9780906048191 - AbeBooks
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Rule of thumb
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The History of Measuring Tools - Keson
