1864: 1 Ozt. Platinum (Dental Trade: Plate, .999 ) = $ 18.67
1865: 1 Troy Ounce Platinum (UK: Imported Scrap) = $ 5.36 (£ 1.10)
Late 1865: 1 Ozt Platinum (UK: Mkt) = $ 7.31 (£ 1.50)
1865: $50,000 a Flint-Glass Pot.
1865: 1 Troy Ounce Platinum (UK: Imported Scrap) = $ 5.36 (£ 1.10)
Late 1865: 1 Ozt Platinum (UK: Mkt) = $ 7.31 (£ 1.50)
1865: $50,000 a Flint-Glass Pot.
Citation: Scientific American, Volume 13, (1865) p.211
Johnson & Matthey's Platinum Coil
USA, 1865: Platinum Import, $ 22,723.
USA, 1866: Platinum Import, $ 107,028.
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