c.1848/9: 1 Troy Ounce Platinum (SPb: Russian Ingot) = Fr 26.355 (6.8357 руб Kr)
c.1848/9: 1 Troy Oz. Platinum (NYC: Imported Ingot, Fine?) = (USD$ 7.50 - 8.33)
c.1848: 1 Troy Oz. Platinum (NYC: Semi-Mfg, Retail) ~ Fr 56.72 - 57.33 ($ 11.)
c.1848/9: 1 Troy Oz. Platinum (Paris: Semi-Mfg, Retail) = Fr. 37.324 (~$ 7.18)
c.1848/9: 1 Troy Oz. Pt Chloride (Paris: PtCl2, Ret.) = Fr. 31.104 (~$ 5.98)
As indicated, in 1848:
"Mr. Germer Bailliere believes it's useful to readers to insert at the end of this new edition a program of products and utensils necessary to repeat the experiments described therein. He was sent this by a House by honorably known for the purity of its products and dealing especially with everything that relates to the study of chemistry and physics."
Citation: Chimie élémentaire avec ses principales applications aux arts... Apollinaire Bouchardat (1848) p.595
The 1849 Catalogue is identical, as above. (Whereas the 2nd French Edition was translated from the 10th English Edition, the 3rd French Edition was translated from the 18th English Edition.)
Citation: Manipulations électrotypiques ou Traité de galvanoplastie; Charles V. Walker (1849) p.148
Citation: Société d'encouragement pour l'industrie nationale (1848)
1834-(1848)
1845-1850: SPb price
c. 1848/9: Demidoff gives platina nugget to Bruxelles (Belgium.)
Weight: 163.47 g. (~38.3 zolotnik)
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