The platinum metalsNote 9 — Chapter I · PLATINUM METALS: THEIR OCCURRENCES, CHARACTERS AND USESReading editionMineral Industry, 1916, 25.◇Copy noteReturn to CHAPTER I PLATINUM METALS: THEIR OCCURRENCES, CHARACTERS AND USESReturn to CHAPTER III SOURCES OF SUPPLY OF PLATINUM METALS (b) FOREIGN COUNTRIESReturn to CHAPTER III SOURCES OF SUPPLY OF PLATINUM METALS (b) FOREIGN COUNTRIES