Booklet of rigging blueprints for the Curtiss N-9, Curtiss R-3, Curtiss R-6 (Model 2A), and Curtiss Model H-12 Large America aircraft, circa 1916-1918. 25-page booklet bound with brass brads, Herlofson's name faintly visible on front cover and back…
Photographic postcard of U.S. Navy recruits practicing tying knots during a seamanship drill, 1917. Inscription: "2:15. Seamanship drill for an hour. Copyright I.F.S 1917."