Category: History - Modern (1750+)
Up to the year 1914 Russia produced over 90 per cent. of the world’s supply of platinum, the Republic of Colombia, South America, ranking next in importance with about 5 per cent. Owing, however, to the war and to the chaotic conditions brought about by the revolution, the out...
Platinum metals are not produced in France, but platinum is known to occur at several places. In the Department of Charaste and Deux Sevres it occurs associated with pyrite and...
5. CHAPTER IIThere is no known occurrence of platinum in the United Kingdom, but there has always been much trade done there in the platinum metals, England having been the second largest im...
4. CHAPTER IUp to the year 1914 Russia produced over 90 per cent. of the world’s supply of platinum, the Republic of Colombia, South America, ranking next in importance with about 5 per cen...
3. CHAPTER III2. CHAPTER II1. CHAPTER I