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Primary view of Improvement in Windmills.
Symthe, Peyton.
September 29, 1874
Primary view of Improvement in Medicinal Extracts.
Bihl, Charles A.
July 14, 1874
Primary view of Improvement in Animal-Traps.
De Vilbiss, John W., Jr.
March 10, 1874
Primary view of Imporvement in Combined Spades and Hoes.
Cassiano, I. Ygnacio
September 11, 1874
Primary view of Improvement in Planters, Cultivators, and Stalk-Choppers.
McCaleb, John L.
May 12, 1874
Primary view of Improvement in Scrapers.
Arcos, Ignacio
June 16, 1874
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