MAKE A MEME View Large Image Straight Bar Cutting Machine (Lowered) Mine-206-6A.29-B Straight Bar machine, 206-6A.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-3144. Date: 5/...
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Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome outdoor black and white SI Neg. CCC-3144. Date: 5/25/1936....29-B Straight Bar Cutting Machine (Lowered) Mine-206-6A.29-B Straight Bar machine, 206-6A.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-3144. Date: 5/25/1936....29-B Straight Bar Cutting Machine (Lowered) Mine-206-6A.29-B Straight Bar machine, 206-6A.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution)
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