An African American man sits on the machine and two other men, presumably owners or inventors, stand beside it. Lucy Bell Railey took the photograph in a cotton field near Selma, Alabama.
"Striking miners, both white and negro, as they were stopped on their march to the Red Diamond Mine are shown listening to Lieut. Col. James A. Webb, in command of the National Guard troops who told them that nothing could be gained by bloodshed....