Laborer operating a piece of Jeffrey mining equipment loaded with barrels. 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 world’s leading producer of mining, conveying, and heavy industrial equipment for nearly 100 years. Jeffrey designed material handling products for a wide variety of uses, such as coal mining, farming, amusement park rides, earth-moving, lumber mills, and food processing, the use of which reduced handling costs, increased production, and decreased hard physical labor
This photograph depicts a one-horsepower mortar mixer used during the construction of a factory buil...
This photograph depicts an assortment of name plates and signs used by the Jeffrey Manufacturing Com...
This group photograph shows the female employees of the Jeffrey Manufacturing Company in Columbus, O...
This photograph depicts a portable loader owned by the Hamilton Moulding Sand Company, Hamilton, Ohi...
This photograph depicts mechanical vibrating conveyors, or MV conveyors, made by the Jeffrey Manufac...
This is a photograph of a portable rubber belt conveyor made by the Jeffrey Manufacturing Company of...
1908 catalog cover for the Jeffrey Manufacturing Company of Columbus, Ohio, showing a coal tipple wi...
This photograph depicts a mold conveyor produced by the Jeffrey Manufacturing Company of Columbus, O...
This photograph depicts a 209-B portable loader produced by the Jeffrey Manufacturing Company of Col...
This photograph depicts a portable bag stacker manufactured by the Jeffrey Manufacturing Company of ...
This photograph shows two laborers using a portable bag stacker built by the Jeffrey Manufacturing C...
This photograph depicts a pivoted bucket conveyor manufactured by the Jeffrey Manufacturing Company ...
This photograph depicts a type D portable pulverizer, the first of its type, made by the Jeffrey Man...
A photograph of an employee of the Jeffrey Manufacturing Company in Columbus, Ohio, posing beside a ...
This photograph depicts portable elevator built by the Jeffrey Manufacturing Company of Columbus, Oh...
This photograph depicts a one-horsepower mortar mixer used during the construction of a factory buil...
This photograph depicts an assortment of name plates and signs used by the Jeffrey Manufacturing Com...
This group photograph shows the female employees of the Jeffrey Manufacturing Company in Columbus, O...
This photograph depicts a portable loader owned by the Hamilton Moulding Sand Company, Hamilton, Ohi...
This photograph depicts mechanical vibrating conveyors, or MV conveyors, made by the Jeffrey Manufac...
This is a photograph of a portable rubber belt conveyor made by the Jeffrey Manufacturing Company of...
1908 catalog cover for the Jeffrey Manufacturing Company of Columbus, Ohio, showing a coal tipple wi...
This photograph depicts a mold conveyor produced by the Jeffrey Manufacturing Company of Columbus, O...
This photograph depicts a 209-B portable loader produced by the Jeffrey Manufacturing Company of Col...
This photograph depicts a portable bag stacker manufactured by the Jeffrey Manufacturing Company of ...
This photograph shows two laborers using a portable bag stacker built by the Jeffrey Manufacturing C...
This photograph depicts a pivoted bucket conveyor manufactured by the Jeffrey Manufacturing Company ...
This photograph depicts a type D portable pulverizer, the first of its type, made by the Jeffrey Man...
A photograph of an employee of the Jeffrey Manufacturing Company in Columbus, Ohio, posing beside a ...
This photograph depicts portable elevator built by the Jeffrey Manufacturing Company of Columbus, Oh...
This photograph depicts a one-horsepower mortar mixer used during the construction of a factory buil...
This photograph depicts an assortment of name plates and signs used by the Jeffrey Manufacturing Com...
This group photograph shows the female employees of the Jeffrey Manufacturing Company in Columbus, O...