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    Re: Why a silver index scale? - Correction
    From: Bill Morris
    Date: 2016 Mar 27, 10:46 -0700

    <<a brass with 20 percent nickel substituted for the zinc>> should read " a brass in which half the zinc is substituted by nickel, giving an approximate composition of copper 60, zinc 20 and nickel 20."

    Bill Morris

       
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