This World War I era two blade laminated wood propeller was built for the famed Curtiss JN-3 Jenny by American Propeller Co. and once mated to a Curtiss OX engine. Both blades have the American Propeller Co. logo. Other markings: “CURTISS OX JN3,” “751,” “8’ 3” x 500,” “RIGHT HAND,” “107.” Length: 8 feet 3 inches (as marked). The Jenny gained national fame as the primary training aircraft for the U.S. Army during World War I and after the war surplus Jennies served as the backbone to American civil aviation, operating into the 1920s.