Related Images
This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Looking for more info about this image?
Try a Google Reverse Image Search for it.
Try a Google Reverse Image Search for it.
Keywords from Image Description:
history of technology historyoftechnology mining smithsonian probably public domain probablypublicdomain blackandwhite monochrome black and white SI Neg. CCC. Date na....Safety First Cleaning sandpipe on motor.From the Consolidation Coal Company collection National Museum of American History...Credit unknown Smithsonian Institution