Add to ORKGSingle strand, scraper conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. Flat and round chain made by Jeffrey were also part of the conveying system. This conveyor was used by the Kendall Refining Company, Bradford, Pennsylvania, 1918
This is a photograph of a portable rubber belt conveyor made by the Jeffrey Manufacturing Company of...
Log haul conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. It was used at a pape...
This 1950 photograph shows an overhead trolley conveyor built and installed by the Jeffrey Manufactu...
Chain, known as 'Scranton chain', manufactured by the Jeffrey Manufacturing Company of Columbus, Ohi...
Chain conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used at the Eastern...
The man in the photograph is lubricating a wheel on a pivoted bucket conveyor made by the Jeffrey Ma...
Suspended from the ceiling in this photograph is a scraper conveyor made by the Jeffrey Manufacturin...
A two strand conveyor with flights was made by the Jeffrey Manufacturing Company of Columbus, Ohio. ...
Rubber belt conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. It was used by the...
The Asher Lumber Company of Pineville, Kentucky, used a chain slab top conveyor to move its milled l...
Pictured is a coal belt conveyor made by the Jeffrey Manufacturing Company, Columbus, Ohio. It was i...
This barrel and sack conveyor was made by the Jeffrey Manufacturing Company of Columbus, Ohio. It wa...
This barrel and sack conveyor was made by the Jeffrey Manufacturing Company of Columbus, Ohio. It wa...
Belt conveyors and cooling conveyors manufactured by the Jeffrey Manufacturing Company in use at the...
A conveying system built by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Kavy C...
This is a photograph of a portable rubber belt conveyor made by the Jeffrey Manufacturing Company of...
Log haul conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. It was used at a pape...
This 1950 photograph shows an overhead trolley conveyor built and installed by the Jeffrey Manufactu...
Chain, known as 'Scranton chain', manufactured by the Jeffrey Manufacturing Company of Columbus, Ohi...
Chain conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used at the Eastern...
The man in the photograph is lubricating a wheel on a pivoted bucket conveyor made by the Jeffrey Ma...
Suspended from the ceiling in this photograph is a scraper conveyor made by the Jeffrey Manufacturin...
A two strand conveyor with flights was made by the Jeffrey Manufacturing Company of Columbus, Ohio. ...
Rubber belt conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. It was used by the...
The Asher Lumber Company of Pineville, Kentucky, used a chain slab top conveyor to move its milled l...
Pictured is a coal belt conveyor made by the Jeffrey Manufacturing Company, Columbus, Ohio. It was i...
This barrel and sack conveyor was made by the Jeffrey Manufacturing Company of Columbus, Ohio. It wa...
This barrel and sack conveyor was made by the Jeffrey Manufacturing Company of Columbus, Ohio. It wa...
Belt conveyors and cooling conveyors manufactured by the Jeffrey Manufacturing Company in use at the...
A conveying system built by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Kavy C...
This is a photograph of a portable rubber belt conveyor made by the Jeffrey Manufacturing Company of...
Log haul conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. It was used at a pape...
This 1950 photograph shows an overhead trolley conveyor built and installed by the Jeffrey Manufactu...