Rand Refinery Rand Refinery Rand Refinery (Pty) Limited is the largest integrated single-site precious metals refining and smelting complex in the world. It was established in 1920 to refine gold within South Africa which until that time had been refined in London. Since its inception it has refined nearly 50,000 tonnes of gold. This represents some 30% of all the gold mined in the world since antiquity. It was established in 1920 in Germiston, South Africa, by the Chamber of Mines of South Africa to refine all the gold produced by South Africa's gold mines instead of in London. As of 1919,
Rand McNally Rand McNally also erected many of the actual roadside highway signs. This system was subsequently adopted by state and federal highway authorities. The oil industry quickly developed an interest in road maps, enticing Americans to explore and consume more gasoline. In 1920, Rand McNally began publishing road maps for the Gulf Oil Company, to be freely distributed at its service stations. By 1930, Rand McNally had two major road map competitors, General Drafting and Gousha, the latter of which was founded by a former Rand McNally sales representative. The "Rand McNally Auto Chum", later to become the ubiquitous "Rand McNally