Description: A photograph of an employee of the Jeffrey Manufacturing Company in Columbus, Ohio, posing beside a mine ventilation fan manufactured by the company. 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.
Image ID: AL00927
Subjects: Mining machinery; Coal mining; Coal mines and mining--Ohio; Coal mines and mining--United States; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors--Ohio; Ohio Economy--Economy--Labor
Places: Columbus (Ohio)
 

Description: This photograph depicts a mold conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Pennsylvania Railroad Factory of Altoona, Pennsylvania, in 1931. 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.
Image ID: AL01534
Subjects: Conveying machinery; Coal mines and mining--United States; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Altoona (Pennsylvania); Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts portable elevator built by the Jeffrey Manufacturing Company of Columbus, Ohio. The elevator raised sand and gravel to the top of the machine where it was dumped onto vibrating screens that separated sand from gravel and loaded it on to horse-drawn wagons. 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.
Image ID: AL01644
Subjects: Conveying machinery; Coal mining; Coal mines and mining--Ohio; Coal mines and mining--United States; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors--Ohio; Ohio Economy--Economy--Labor
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts a type D portable pulverizer, the first of its type, made by the Jeffrey Manufacturing Company of Columbus, Ohio. This kind of pulverizer was used to crush limestone into fine powder which farmers spread on fields to enrich soil and increase crop yield. Pulverizers were belt-driven and powered by steam or gasoline engines. 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.
Image ID: AL01316
Subjects: Crushing machinery; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts a portable bag stacker manufactured by the Jeffrey Manufacturing Company of Columbus, Ohio. It was on display in the Jeffrey yard and later shipped to Hugh Wood and Company of London, England. 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.
Image ID: AL01365
Subjects: Conveying machinery; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: This is a photograph of a portable rubber belt conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, owned by the Modern Foundry Company, of Cincinnati, Ohio. 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.
Image ID: AL01359
Subjects: Conveying machinery; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Cincinnati (Ohio); Hamilton County (Ohio)
 

Description: This image is of a battery locomotive in operation in an unidentified location in England. possibly produced by the Jeffrey Manufacturing Company of Columbus, Ohio. Battery locomotives are electrically powered and carry their fuel with them as batteries, making them safer for use in mines. View on Ohio Memory.
Image ID: AL01476
Subjects: Mining machinery; Coal mines and mining--Electric equipment
Places: England
 

Description: Strip mining operation in Apex, Ohio, ca. 1930-1939. Visible in the background is a large shovel for moving earth. View on Ohio Memory.
Image ID: AL01040
Subjects: Ohio Economy--Economy--Business; Coal mines and mining--Ohio; Mining machinery
Places: Apex (Ohio); Harrison County (Ohio)
 

Description: Photograph of the lobby of the Jeffrey Manufacturing Company headquarters on First Avenue, Columbus, Ohio, ca. 1947. View on Ohio Memory.
Image ID: AL02853
Subjects: Mining machinery; Coal mines and mining--Economic aspects--Ohio
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts a mold conveyor produced by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Ferro Machine and Foundry Company in Cleveland, Ohio, in 1935. 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.
Image ID: AL01562
Subjects: Machinery industry--Ohio; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Cleveland (Ohio); Cuyahoga County (Ohio); Columbus (Ohio); Franklin County (Ohio)
 

Description: This is a mold conveyor manufactured by the Jeffrey Manufacturing Company of Columbus, Ohio. It was used to move metal casting molds in a foundry owned by the Westinghouse Electric and Manufacturing Company in Cleveland, Ohio. 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.
Image ID: AL01528
Subjects: Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Cleveland (Ohio); Cuyahoga County (Ohio); Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts a 229-A portable hydraulic scraper loader made by the Jeffrey Manufacturing Company of Columbus, Ohio, being used to load coal into a truck owned by Citizens Coal Company, also of Columbus. This loader could move over one ton of material per minute. The skyline of downtown Columbus can be seen in the background. 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.
Image ID: AL01575
Subjects: Trucks; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Columbus (Ohio); Franklin County (Ohio)