The platinum metalsNote 8 — Chapter I · PLATINUM METALS: THEIR OCCURRENCES, CHARACTERS AND USESReading editionHautpick, E. de: Mining Journ., Feb. 1, 1913.◇Copy noteReturn to CHAPTER I PLATINUM METALS: THEIR OCCURRENCES, CHARACTERS AND USESReturn to CHAPTER III SOURCES OF SUPPLY OF PLATINUM METALS (b) FOREIGN COUNTRIES