8:ic Ore separator 10 Inventions by Thomas Edison
Probably the biggest financial failure of Edison's career was theic ore separator. The idea, which Edison's laboratory experimented with during the 1880s and 1890s, was to uses to separate iron ore from unusable lower grade ores. This would mean that abandoned mines could be profitable once again through the extraction of iron from sand at the sites. At the time, iron ore



































