Can someone explain what that is? I've seen on the Census that some of my relatives did this back in early 1900's

"Page, Meredith C" wrote: >Can someone explain what that is? I've seen on the Census that some of my >relatives did this back in the early 1900's This is related to the processing of cotton seed oil. One or more of the mills was in Clayton many years ago. I don't know anything about the processing of cotton seed oil, but I'm sure some of our members can tell us more about this. Warren