Category:An attempt to refine copper through a cuprous electrolyte (1913)

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Media in category "An attempt to refine copper through a cuprous electrolyte (1913)"

The following 2 files are in this category, out of 2 total.

An attempt to refine copper through a cuprous electrolyte (1913) (14577010048).jpg 3,024 × 2,190; 933 KB
An attempt to refine copper through a cuprous electrolyte (1913) (14761291604).jpg 3,024 × 2,190; 1.3 MB

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