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Primary view of Improvement in the Propulsion of Vessels.
Macowitzky, Charles P.
December 30, 1873
Primary view of Electric Switch
Ramsay, Robert L.
December 10, 1912
Primary view of Collapsible Crate
Orr, William H.
December 1, 1903
Primary view of Machine-Brake.
Reeves, Elijah Winston
December 14, 1915
Primary view of Improvement in Vibrating Propellers.
Macowitzky, Charles P.
December 22, 1874
Primary view of Blind Stop.
Warren, Thomas
December 25, 1888
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