Jeffrey Compartment Diaphragm Jigs   Save
Jeffrey Compartment Diaphragm Jigs
Description: Compartment diaphragm jigs made by the Jeffrey Manufacturing Company of Columbus, Ohio on a railroad car waiting to be shipped to the Pruden Coal and Coke Company, Pruden, Tennessee, 1934. View on Ohio Memory.
Image ID: AL01553
Subjects: Machinery industry--Ohio; Ohio Economy--Economy--Business
Places: Columbus (Ohio)