Illustrated circular of Chambers and Quinlan, Decatur, Illinois, titled “Improved and Perfected. Champion Hog Ringer, Rings and Holder," 1870s, D00085. Missouri Historical Society Library and Research Center.

Illustrated circular of Chambers and Quinlan, Decatur, Illinois, titled “Improved and Perfected. Champion Hog Ringer, Rings and Holder," 1870s, D00085. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/2661 Accessed September 19, 2024.