($ 3.03 ; USD$ 4.77)
Spink & Son : The Numismatic Circular, Vol. 15, May 1907 p. 9885:
"Nach zuverlässigen Quellen betrug der Kilopreis des gereinigten russischen Platins im Jahre 1865 501 Francs und 1866 gar nur 457 bis 549 Francs."
"According to reliable sources, the price per kilo of purified Russian platinum in 1865 was 501 francs and in 1866 from only 457 to 549 francs."
1865: 1 Troy Oz. Platinum (Mfg, Bulk) = Fr 32.66
($ 6.35 ; USD$ 10.)
Where a 150 litre Platinum Still weighed 28.548 Kgs, the original 1865 price for a Paris-manufactured boiler was about double the wholesale sponge rate: Fr. 1,071.5/Kg
Delivery 200 Kms from Paris may have been Fr. 614, the difference.
1865: 1 Troy Oz. Platinum (Mfg, Bulk; Delivered?) = Fr 33.33
($ 6.48 ; USD$ 10.20)
Der Apparat kostete, das Kg zu 1,050 Frcs., 30,588.40 Frcs.
Citation: Amtlicher Bericht über die Wiener Weltausstellung im Jahre 1873, Vol. 3, Pt. 1 (1875)
1873:
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