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 line of molding machine hoppers operating at Forest City Foundries in Cleveland, Ohio, in 1955, was produced by the Jeffrey Manufacturing Company of Columbus, Ohio. The overhead hoppers were filled with sand which was released by opening a clam shell valve. The sand was poured into a mold used to cast metal machine parts and recycled to make many other castings. View on Ohio Memory.
Image ID: AL00983
Subjects: 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: Cleveland (Ohio)
 

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 mechanical vibrating conveyors, or MV conveyors, made by the Jeffrey Manufacturing Company in Columbus, Ohio, being used at a metal casting foundry in Cleveland, Ohio, in 1955. 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: AL00955
Subjects: African Americans--Employment; 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: Cleveland (Ohio); Cuyahoga County (Ohio); Columbus (Ohio)
 

Description: Close view of coal miners engaged in surface mining at the Blue Bell Coal Mine near Strasburg, Ohio, ca. 1930-1939. View on Ohio Memory.
Image ID: SA1039AV_B14F02_001_001
Subjects: Surface mining; Coal mines and mining--Ohio--History
Places: Tuscarawas County (Ohio)
 

Description: This photograph depicts a 209-B portable loader produced by the Jeffrey Manufacturing Company of Columbus, Ohio, is shown loading coal to the tender of a steam locomotive at the Nickel Plate Railroad in Michigan City, Indiana. 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: AL01583
Subjects: Railroads; Coal mining; Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Michigan City (Indiana); Columbus (Ohio); Franklin County (Ohio)
 

Description: 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.
Image ID: 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)
 

Description: This photograph depicts two adolescent or pre-teen boys with a Jeffery Manufacturing model 28A mining machine, ca. 1890-1910. The mining machine was used to undercut seams of coal, to allow for expansion after the coal seam was broken apart with explosives; at the time of its invention, this was the most time-intensive part of mining coal. Jeffery Manufacturing was located in downtown Columbus, near the intersection of Fourth St. and First Ave.; today, that site is occupied by the Ohioana Library and the State Library of Ohio. View on Ohio Memory.
Image ID: AL05155
Subjects: Coal miners; Coal mines and mining--Appalachian Region--History; Jeffrey Manufacturing Company (Columbus, Ohio); Teenagers; Coal mines and mining--Electric equipment
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts two adolescent or pre-teen boys with a Jeffery Manufacturing model 28A mining machine, ca. 1890-1910. The mining machine was used to undercut seams of coal, to allow for expansion after the coal seam was broken apart with explosives; at the time of its invention, this was the most time-intensive part of mining coal. Jeffery Manufacturing was located in downtown Columbus, near the intersection of Fourth St. and First Ave. Today, that site is occupied by the Ohioana Library and the State Library of Ohio, as well as a luxury housing space known as "the Jeffrey." View on Ohio Memory.
Image ID: AL05156
Subjects: Coal miners; Coal mines and mining--Appalachian Region--History; Jeffrey Manufacturing Company (Columbus, Ohio); Teenagers; Coal mines and mining--Electric equipment
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: This photograph depicts two adolescent or pre-teen boys with a Jeffery Manufacturing model 28A mining machine, ca. 1890-1910. The mining machine was used to undercut seams of coal, to allow for expansion after the coal seam was broken apart with explosives; at the time of its invention, this was the most time-intensive part of mining coal. Jeffery Manufacturing was located in downtown Columbus, near the intersection of Fourth St. and First Ave. Today, that site is occupied by the Ohioana Library and the State Library of Ohio, as well as a luxury housing space known as "the Jeffrey." View on Ohio Memory.
Image ID: AL05157
Subjects: Coal miners; Coal mines and mining--Appalachian Region--History; Jeffrey Manufacturing Company (Columbus, Ohio); Teenagers; Coal mines and mining--Electric equipment
Places: Columbus (Ohio); Franklin County (Ohio)
 

Description: Handwritten on reverse: "Strip coal mining. Apex, O. Largest shovel in World in background. Photo by Miller and Son, 436 Market Street, Steubenville, Ohio." This photograph is most likely of The Apex Coal Company. A similar photograph is shown in The Ohio Guide and the words "Industrial Coal ???" appear on the vehicle that is in the background of this photograph. View on Ohio Memory.
Image ID: SA1039AV_B08F06_054_001
Subjects: Coal mines and mining--Ohio
Places: Apex (Ohio); Harrison County (Ohio)
 

Description: This photograph appears to be a strip mine in Ohio. The structure in the foreground could be a place to store equipment or a gathering place during inclement weather. View on Ohio Memory.
Image ID: SA1039AV_B07F07_019_1
Subjects: Strip mining; Industries; Coal mines and mining
Places: Ohio