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    HardPress

    Gold Assaying : a Practical Handbook Giving the Modus Operandi for the Accurate Assay of Auriferous Ores and Bullion and the Chemical Tests Required in the Processes of Extraction by Amalgamation, Cyanidation and Chlorination

    Gold Assaying : a Practical Handbook Giving the Modus Operandi for the Accurate Assay of Auriferous Ores and Bullion and the Chemical Tests Required in the Processes of Extraction by Amalgamation, Cyanidation and Chlorination

    $14.95 USD
    $14.95 USD
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    H. Joshua Phillips

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