MAKE A MEME View Large Image ...Oxygen Pump in Rescue Room with shield.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-2890. Date: 6/6/1930....Oxygen Pump in Rescue Room with ...
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Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome indoor black and white SI Neg. CCC-2890. Date: 6/6/1930....Oxygen Pump in Rescue Room with shield.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-2890. Date: 6/6/1930....Oxygen Pump in Rescue Room with shield.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution)
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