Suspect US prices
March, 1905: 1 Troy Ounce Platinum = Fr 115.08
Citation: Revue de métallurgie, Vol. 4 (1907) p.347
1905: 1 Ozt. Platinum = Fr 101.09 - 102.64 (USD$ 19.74 - 20.05)
Citation: Traité de chimie minérale, Volume 5 ; Henri Moissan, Marcel Guichard (1906), p.453
January 1905: 1 Ozt. Platinum (Mkt.) = Fr 102.64 (USD$ )
Citation: Angewandte Chemie: Vol. 21 - Page 2597
??: 1 Ozt. Platinum (Mkt.) = Fr 97.04 (USD$ )
November 1905: 1 Ozt. Platinum (Mkt.) = Fr 105.75 (USD$ )
November, 1905:
1904/5?: 1 Ozt. Platinum (Mfg.) = Fr 72.575 (USD$ )
Citation: Les industries céramiques: Fascicule premier. Argiles et kaolins. Leon Lefêvre (1906) p.43
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