USA, 1904: Catalogue w/o Prices (Bausch & Lomb)

Platinum crucible prices in 1905 were cited as the highest in recent years, @$25./oz. It's likely the price charged per ounce, here.

1902: 1 Troy Ounce Platinum (ingot, 85%, market) = USD$ 19.

1903: 1 Troy Ounce Platinum (ingot, 85%, market) = USD$ 19.

1905: 1 Troy Ounce Platinum (refined, manufactured, retail) = USD$ 24.90

Citation: Apparatus & supplies for chemical & biological laboratories: 1904. [Catalog F] By Bausch & Lomb Optical Company, p.318

1904:

1904: 1 Troy Ounce platina (US/Cdn ore) = USD$ 12. - 15.

1904: 1 Troy Ounce Platinum (semi-refined, whols) = USD$ 18.50









1904: 1 Troy Ounce platina (Russian ore, Spot) = USD$ 15.09

Citation: Bulletin of the Pan American Union, Vol. 45 (1917) p.618