The platinum metalsNote 37 — Chapter II · SOURCES OF SUPPLY OF PLATINUM AND ALLIED METALS (a) BRITISH EMPIREReading editionGeol. Surv. of Canada, Min. Res. of Canada, 1903, No. 818.◇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