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Primary view of Improvement in Windmills.
Davie, John P. & Morgan, Asa
December 2, 1873
Primary view of Improvement in Rotary Dredgers.
Hawley, Abel
December 21, 1875
Primary view of Improvement in Locomotive Earth-Excavators.
Hawley, Abel
December 28, 1875
Primary view of Improvement in Floating-Docks.
Marcusey, Edward; Herbert, Dozier G. & Bunting, R. F.
December 8, 1874
Primary view of Improvement in Bale-Band Stretchers
Pearre, Charles M.
December 12, 1876
Primary view of Improvement in Putting Up Caustic Alkalies.
Lee, Archibald K.; Middleton, George W. & Smith, Joseph C.
December 22, 1874
Primary view of Improvement in Manufacturing Anti-Corrosive Compounds.
Lee, Archibald K.
December 22, 1874
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