The platinum metalsNote 25 — Chapter II · SOURCES OF SUPPLY OF PLATINUM AND ALLIED METALS (a) BRITISH EMPIREReading editionGoodchild, W. H.: Trans. Inst. Min. and Met., 1916–17, 26.◇Copy noteReturn to CHAPTER II SOURCES OF SUPPLY OF PLATINUM AND ALLIED METALS (a) BRITISH EMPIREReturn to CHAPTER II SOURCES OF SUPPLY OF PLATINUM AND ALLIED METALS (a) BRITISH EMPIRE