Jeffrey 56-A drilling machine   Save
Jeffrey Manufacturing Company Collection
Description: This drilling machine was made by the Jeffrey Manufacturing Company of Columbus, Ohio. This mining machine was used to drill holes in the coal "face" so that explosives could be inserted to "shoot down" the coal. View on Ohio Memory.
Image ID: AL00977
Subjects: African Americans -- Employment; Ohio Economy--Economy--Business; Jeffrey Manufacturing Company (Columbus, Ohio)
Places: Columbus (Ohio); Franklin County (Ohio)