THIS MACHINE MAY LARGELY INCREASE WORLD'S GOLD OUTPUT PROF. GATES HAS INVENTED A HYDROMAGNETIC SEPARATOR OF WONDROUS POSSIBILITIES. A machine that bids fair to double the gold output of the world, revolutionizing methods of separating gold from crushed quartz, and particularly from river, beach and placer sands, has recently
Professor Gates separates iron and gold from the sand. As every schoolboy knows, if you take a toy magnet and hold it near a piece of iron and a piece of gold, the iron will jump at the magnet with the rapidity of lightning, but the gold is not at all affected. If you hold the magnet near a heap of common dust, the dust will remain文件大小: 545KB
Mar 21, 2013& 0183;& 32;FOX mining machine may largely increase world’s gold output. The Invention has been newly patented by Professor Elmer Gates, … Small as the machine is, it is capable of handling in this way 110 tons of sand in a day, … & 187;More detailed用户评级: 4.7/5
PURE GOLD AND IRON FROM SAND - Elmer R. Gates. quantities of the purest iron and gold can be extracted from sand. This means that the sand. “The machines,” says Professor Gates “will effect a revolution expedient to continue to mine rocky iron ores at a cost of from 80 cents to over $1 cases they could indeed separate the iron from the sand proper, and the gold also Read more
great commercial value, for Professor Gates is an inventor of wide experience although this is but incidental to his main work , one of his recent efforts in this direction being a machine for separating loose ore from sand or disintegrated matter. The latter work is done by means of a magnetic machine, p. 556
Elmer Gates 1859-1923 "Scientific method is mental method." About This Site. This site is a repository for the work of the American scientist Elmer R. Gates 1859-1923 . Quite famous in his day, Gates was a virtuoso inventor.
Gates's inventions include the foam fire extinguisher, an improved electric iron, an aseptic brewing and fermenting process, electric loom mechanisms, diamagnetic and magnetic separators for extracting gold from sand, an incandescent gas mantle furnace, the edu ional toy "Box and Block," and numerous other mechanical, scientific, psychological, and edu ional devices.