1822: 1 Troy Oz. Platinum (Vienna: Mfg, Retail) = Fl C.M. 26.745
"W. Batka" = Wenzel Batka in Prague
c.1834/5
Druggist W. Batka in Prague sold "Fine" Platinum Wire/Sheet by the "Gran" {Wiener Medicinalgewicht = 0.0729 Gram} for Gold Fl. 0.05, and 'Thick' Platinum Wire/Sheet by the {Prager Handelgewicht}"Loth" ~16.077 Grammes} for Gold Fl. 9, incidentally more expensive than Platinumware:
1831/2 1 Troy Ounce Platinum (Semi-Mfg: Fine Wire) Fl. 21.33 ($ 10.37)
1831/2 1 Ozt. Platinum (Semi-Mfg: Wire/Sheet) Fl. 17.41 ($ 8.33)
1831/2 1 Ozt. Platinum (Theoretical: Crucible) Fl. 22.22 ($ 10.63)
{Assuming the Austrian Weight of "1 Unze Inhalt" contains ~27.6 Grams Water, establishing the weight of the dish remains speculative, the thinnest manufacture weighing as little as ~ 10-12 Grams?}
At the estimated Silver Rate for Platinum Coin,
1831/2 1 Ozt. Platinum (Coin-Silver Rate) Fl. 13.32 ($ 6.37)
Directory of the latest chemical and pharmaceutical implements with pictures from Druggist Wholesaler W. Batka in Prague. (1831/2?) Edited occasion of the Assembly of German Natural Scientists in Vienna, 1832. {Also referred to as "Le Catalogue des instrumens chimiques et pharmaceutiques de W. Batka," à Prague. In Octavo, Vienne, 1832.}
Catalogue: Pharmaceutical, Chemical and Physical Instruments from Trade-Merchant Wenzel Batka in Prague, Bergstein-Strasse No. 357. (20 Guilders Coin, to purchase.)
Abdampfkessel = (15cm dia.) Silver Evaporating-Boiler (lid?)
Abdampfschalen = (15cm dia.) Platinum Evaporating-Basin (no lid?)
109. Crucible, together with lid, Contents 1-4 Unzen, per Gramme {Fl. 0.50}
1832: 1 Ozt. Platinum (Mfg: Ware) = Fl. 15.5517 ($ 7.44)
109. Crucible, for Annealing, {per Loth @16.07719 Grms} Fl. 8 - 10.
1832: 1 Ozt. Platinum (Ware: Economical Mfg.) = Fl. 15.4771 ($ 7.41)
1832: 1 Ozt. Platinum (Ware: Complicated Mfg.) = Fl. 19.3463 ($ 9.26)
"In addition to these, all orders for technical large-scale apparatus are received economically, with old Platinum accepted in payment."
Citation: Annalen der Physik; Johann Christian Poggendorff Vol. 26 (1832) p.585
c.1850: Strange and possibly very dated Price-Quotes.
1849: 1 Troy Oz. Platinum (semi-mfg: Sheet &Wire) = Fl 19.13 (USD$ 7.50)
1849: 1 Troy Oz. Platinum (pure) = Fl 20.87 (USD$ 8.24)
1849: 1 Troy Oz. Platinum (coined) = Fl 12.52 (USD$ 4.95)
1849: 1 Troy Oz. Platinum (Paris mfg) = Fr 31.10; ~ Fl 14.81 / USD$ 5.94
1849: 1 Troy Oz. platina (Russian ore) = Fl 7.44 (USD$ 2.84)
18?? 1 Ozt. Platinum (Semi-Mfg: Wire/Sheet) Fl. 17.77 (??)
Citation: Allgemeine Waren-Fabrikaten- u. Maschinen: Waren-Preis von u. für Deutschland (1850) p.64
1857 reprint?
c.1833/4: Wien Goldsmiths selling Platinum Jewelry:
