The larger of the two is embossed "Black Hawk Sheller A. H. Patch," "Clarkesville, Tenn.," and has patent dates 1886 and 1889. It came from a donor named Erb in Dauphin County.

Black Hawk Corn Sheller history At age 65, A.H Patch created the hand-operated corn sheller ... He had his first sale that same year and was introduced to the world on a popular scale in 1886, ...