Thomas Edison at His Ore-Concentrating Works, circa 1897


The Henry Ford

The Henry Ford
Dearborn, MI, United States

During the 1890s, Thomas Edison launched a New Jersey mining operation to address an iron ore shortage. He designed rock-crushing technology and an electromagnetic ore separator to extract low-grade ore from crushed boulders. The final product -- a briquette made of powdered iron ore -- didn't do well commercially, especially after high-grade ore was discovered around Lake Superior. In 1899, Edison left the industry.


  • Title: Thomas Edison at His Ore-Concentrating Works, circa 1897
  • Date: 1892/1902
  • Location: United States, New York, Ogdensburg
  • Subject Keywords: Edison, Thomas A. (Thomas Alva), 1847-1931, Mines and mineral resources, Ore-dressing, Photographic print, Photographs
  • Type: Photographs
  • Contributor: The Henry Ford
  • Original Source: Digital Collections
  • Object Name: Photographic print
  • Object ID: 84.1.1630.P.188.14628
  • Inventor: Thomas Edison
  • Image ID: THF267101
  • Credit: From the Collections of The Henry Ford. Gift of Ford Motor Company.

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