Manny’s reaper, from the Official Retrospective Exhibition of the Development of Harvesting Machinery for the Paris Exposition of 1900

Source: Official Retrospective Exhibition of the Development of Harvesting Machinery for the Paris Exposition of 1900.

Illinois Manufacturers, % by category, 1939 – Illinois Resources

Source:  Illinois Resources, an atlas compiles by Morris M. Leighton, Nov. 1944, Illinois Post-War Planning Commission    R-917.73 L53