U.S. Department of State Background Note Index: People History Government and Political Conditions Economy Foreign Relations U.S.-Papua New Guinea Relations PEOPLEThe indigenous population of…
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Adrenaline: (isolation of) John Jacob Abel, U.S., 1897. Aerosol can: Erik Rotheim, Norway, 1926. Air brake: George Westinghouse, U.S., 1868. Air conditioning: Willis Carrier, U.S., 1911.…
