Jeffrey Manufacturing Company Laboratory   Save
Jeffrey Manufacturing Company Laboratory
Description: The Jeffrey Manufacturing Company, Columbus, Ohio, operated a laboratory to conduct metallurgical tests for its foundry. Metals were tested for hardness, malleability and strength. The effects of heat on various metals was tested in the round white combustion furnaces seen on the workbench. View on Ohio Memory.
Image ID: AL00970
Subjects: Machinery industry--Ohio; Ohio Economy--Economy--Business
Places: Columbus (Ohio); Franklin County (Ohio)