Jeffrey Colmol Mining Machine   Save
Jeffrey Manufacturing Company Collection
Description: Colmol mining machine made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Rochester and Pittsburgh Coal Company, Indiana, Pennsylvania, 1950. The Colmol could cut and move up to 80 tons of coal per day. View on Ohio Memory.
Image ID: AL01601
Subjects: Mining machinery; Ohio Economy--Economy--Business
Places: Indiana (Pennsylvania)