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44 matches on "Inventors--Ohio"
Jeffrey Manufacturing Company portable pulverizer
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Jeffrey Manufacturing Company portable pulverizer  Save
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)
 
Jeffrey Manufacturing Company molding machine hoppers photograph
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Jeffrey Manufacturing Company molding machine hoppers photograph  Save
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)
 
Jeffrey Manufacturing Company mine ventilation fan and employee photograph
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Jeffrey Manufacturing Company mine ventilation fan and employee photograph  Save
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)
 
Jeffrey Manufacturing Company portable bag stacker
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Jeffrey Manufacturing Company portable bag stacker  Save
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)
 
Jeffrey Manufacturing Company mold conveyor photograph
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Jeffrey Manufacturing Company mold conveyor photograph  Save
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)
 
Jeffrey Manufacturing Company mold conveyor photograph
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Jeffrey Manufacturing Company mold conveyor photograph  Save
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)
 
Jeffrey Manufacturing Company portable rubber belt conveyor
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Jeffrey Manufacturing Company portable rubber belt conveyor  Save
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)
 
Jeffrey Manufacturing Company mold conveyor photograph
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Jeffrey Manufacturing Company mold conveyor photograph  Save
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)
 
Jeffrey Manufacturing Company 229-A hydraulic loader
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Jeffrey Manufacturing Company 229-A hydraulic loader  Save
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)
 
Jeffrey Manufacturing Company mechanical vibrating conveyors
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Jeffrey Manufacturing Company mechanical vibrating conveyors  Save
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)
 
Jeffrey Manufacturing Company 209-B portable loader
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Jeffrey Manufacturing Company 209-B portable loader  Save
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)
 
Jeffrey Manufacturing Company pivoted bucket conveyor
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Jeffrey Manufacturing Company pivoted bucket conveyor  Save
Description: This photograph depicts a pivoted bucket conveyor manufactured by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Hinde and Dausch Paper Company in Sandusky, Ohio. It conveyed coal from a bunker to a coal-fired boiler room above. 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: AL01310
Subjects: Erie County (Ohio); Coal mines and mining -- Ohio; Inventions; Coal-mining machinery; Manufacturing industries--Ohio; Inventors -- Ohio; Ohio Economy--Economy--Labor
Places: Sandusky (Ohio); Erie County (Ohio); Columbus (Ohio); Franklin County (Ohio)
 
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44 matches on "Inventors--Ohio"
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