Keywords: history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome outdoor black and white SI Neg. CCC-2151. Date: na....R. R. Car Accident caused by leaving brake stick in position while kicking a brake bar loose.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) SI Neg. CCC-2151. Date: na....R. R. Car Accident caused by leaving brake stick in position while kicking a brake bar loose.From the Consolidation Coal Company collection, National Museum of American History...Credit: unknown (Smithsonian Institution) |