Excerpt from Field Testing for Gold and Silver: A Practical Manual for Prospectors and Miners
The more I worked with prospectors the more convinced I became that the usual blow-pipe sets prepared for colleges, etc., were much too complicated and too expensive for the field, a... nd that a simpler and cheaper set of apparatus was desirable. How this want may be met I have endeavoured to show in the following pages.
I do not claim, nor could I claim, any originality for the pan-amalgamation process, but by introducing a cheap and effective little balance, the procedure.
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