On Platina.
April 26, 2010
1850-1905: Rare Platina Price & Production Chart
Here is a rare Price Chart for Crude Platinum Ore (platina), in USD$ per kg.
Citation:
A study of electrothermal and electrolytic industries
, Part 1, By Edgar A. Ashcroft, Ivar J. Moltkehansen, p.86.
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