1936 Print Copper Ore Pine Oil Anaconda Copper Mining Miner Prospecting FZ2 Scandinavia This is an original 1913

This is an original 1913 print ad for The Chicago Typewriter from the Galesburg Writing Machine Co

This piece was illustrated by Ingres

This piece was illustrated by Walker

This piece was illustrated by Grasset

This is an original 1930 photogravure of an old Apothecary shop in the city of Visby on the island of Gotland in Sweden (Sverige)

1936 Print Copper Ore Pine Oil Anaconda Copper Mining Miner Prospecting FZ2 Scandinavia This is an original 1913This 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