the Polaris. The lost party floated for 196 days and were subsequently rescued separately from the vessel. References External links 1864 ships 1871 ships American Civil War patrol vessels of the United States Arctic exploration vessels Gunboats of the United States Navy Maritime incidents in October 1872 Polaris expedition Research vessels of the United States Navy Ships built in Philadelphia Ships of the Union Navy Shipwrecks of the Canadian Arctic coast Steamships of the United States Navy