1936 Print Copper Ore Pine Oil Anaconda Copper Mining Miner Prospecting FZ2 XEDA3 There is some light wrinkling

There is some light wrinkling in the bottom margin (not shown) which does not affect the image

This is an original 1910 black and white print ad for the car Model 72-A from the Columbus Buggy Co

Best known for producing an array of drawings at the Western Front during World War I

Keywords specific to this image: Akropolis

1936 Print Copper Ore Pine Oil Anaconda Copper Mining Miner Prospecting FZ2 XEDA3 There is some light wrinklingThis is an original 1936 halftone print of copper being pulled from the sand fine ore at the Anaconda Copper Mining Company. The caption writes, "Copper is concentrated by flotation out of a mud of sand fine ore, agitated and aerated, the cupriferous particles, though they are the heaviest, are borne to the surface in a bubbly froth, held together with pine oil, for which they have an affinity. This is skimmed off; the rest is waste." The Anaconda