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Primary view of Improvement in Plows.
Hall, Thomas J.
April 3, 1855
Primary view of Improvement in Gang-Plows.
Hall, Thomas J.
May 1, 1855
Primary view of Mode of Straining Saws by Atmospheric Pressure.
Brown, A. & Coffin, Abel, Jr.
August 14, 1855
Primary view of Improvement in Cultivators.
Morrel, A. H.
April 10, 1855
Primary view of Improvement in Cotton-Seed Planters.
Morrel, A. H.
May 15, 1855
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