The platinum metalsNote 85 — Chapter III · SOURCES OF SUPPLY OF PLATINUM METALS (b) FOREIGN COUNTRIESReading editionCastillo, J. C.: Min. and Sci. Press, 1909, 98.◇Copy noteReturn to CHAPTER III SOURCES OF SUPPLY OF PLATINUM METALS (b) FOREIGN COUNTRIESReturn to CHAPTER III SOURCES OF SUPPLY OF PLATINUM METALS (b) FOREIGN COUNTRIES