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martin_wynne

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martin_wynne last won the day on May 30 2019

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  1. martin_wynne

    The length of an inch was increased fractionally to 25.4mm exactly by the Weights and Measures Act 1963. To measure steam-era prototypes you should use steam-era ruler!

    1. sixteen 12by 10s

      sixteen 12by 10s

      Is that expanded steam or compressed steam?

    2. Worsdell forever

      Worsdell forever

      what about superheated steam?

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