c.1805: 1 Troy Ounce Platinum (labor) = Fr 30. (USD $ 6.27)
This labor, described:
New technology reduced costs.
c.1836: 1 Troy Ounce Platinum (labor) = Fr 1.80 (USD $ 0.34)
c.1842: 1 Troy Ounce Platinum (labor in Russia) = Fr. 2.43 (USD $ 0.47)
c.1860: 1 Troy Ounce Platinum (labor) = Fr. 7.78 (USD $ 1.45)
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