Field Testing for Gold and Silver : A Practical Manual for Prospectors and Miners
William Hamilton Merritt
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Hall Marks on Gold and Silver Plate
William Chaffers
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£8.95
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Instructions for Collecting, Testing, Melting and Assaying Gold, with a Description of the Process for Distinguishing Native Gold ... for Use of Persons Who Are about to Visit the Gold Region of Calif
Edward N Kent
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£7.95
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Fire Assaying : A Practical Treatise on the Fire Assaying of Gold, Silver and Lead, Including Description of the Appliances Used
Evans Walker Buskett
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£9.95
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Modern Chemistry and Its Wonders : A Popular Account of Some of the More, Remarkable Recent Advances in Chemical Science for General Readers
Geoffrey Martin
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The Practical Brass and Iron Founder's Guide : A Concise Treatise on the Art of Brass Founding, Moulding, Etc;, With Numerous Practical Rules, Tables, and Receipts for Gold, Silver, Tin, and Copper Fo
James Larkin
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