: This photograph shows two laborers using a portable bag stacker built by the Jeffrey Manufacturing Company, Columbus, Ohio. They are working at the Etna Portland Cement Company in Cleveland, Ohio. The photograph was taken July 13, 1928.
The Jeffrey Manufacturing Company, also known as the Jeffrey Mining Corporate Center, was established in 1876 as the Lechner Mining Machine Company in Columbus, Ohio by Joseph Jeffrey and Francis Lechner. The company was the number one manufacturer of coal mining machinery worldwide until the mid-twentieth century. View on Ohio Memory.
: AL00925 Subjects
: African Americans -- Employment; Ohio Economy--Economy--Business; Coal mining; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio Places
: Cleveland (Ohio); Cuyahoga County (Ohio)