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The Most Accurate Tape Measure? I found it and can prove it
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Why we made the plans for this mystery
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How an ingenious 400 year old drawing predicted the future
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The INSANE Precision of The National Institute of Standards and Technology
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The HIDDEN Screws of PRECISION
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The most important screws EVER MADE!
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Where DO screws come from?
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IRON from SAND - Oldest form of iron smelting
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Perfect Timing (with the Marble Machine X)
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World's Oldest Micrometer - 1776! Who made this thing??
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At This Moment (1956) - Unusual Railroad movie explained!
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America's Iron Giants - The World's Most Powerful Metalworkers
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The Brilliant Engineering and Beauty of the Llangollen Canal
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Fear and Lathing in The Scientific Revolution
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Cutting threads and worm gears on a lathe
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How to find historical images for FREE!
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The 1751 Machine that Made Everything
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New method for etching brass dials - great detail!
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Paris' Incredible Temple To Science
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Origins of Precision
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