This overhead trolley conveyor was built and installed by the Jeffrey Manufacturing Company of Columbus, Ohio at the St. Marys Packing Company, St. Marys, Ohio. This photograph of the trolley conveyor in operation was taken on September, 22, 1939. The equipment was used to automate the process of canning tomatoes
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used to load ice ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Firestone...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Turner T...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio moving crates of tomato...
The Jeffrey Manufacturing Company of Columbus, Ohio, manufactured and installed this overhead trolle...
This 1950 photograph shows an overhead trolley conveyor built and installed by the Jeffrey Manufactu...
Overhead trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the ...
Overhead trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Campbell ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Edgett Bu...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Pharis T...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Pharis T...
A trolley conveyor, made by the Jeffrey Manufacturing Company of Columbus, Ohio, is used by a produc...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the National ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used to load ice ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used to load ice ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Firestone...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Turner T...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio moving crates of tomato...
The Jeffrey Manufacturing Company of Columbus, Ohio, manufactured and installed this overhead trolle...
This 1950 photograph shows an overhead trolley conveyor built and installed by the Jeffrey Manufactu...
Overhead trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the ...
Overhead trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Campbell ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Edgett Bu...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Pharis T...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Pharis T...
A trolley conveyor, made by the Jeffrey Manufacturing Company of Columbus, Ohio, is used by a produc...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the National ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used to load ice ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio being used to load ice ...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio in use at the Firestone...
Trolley conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio, in use at the Turner T...