[Booklet of rigging blueprints for Curtiss aircraft, circa 1916-1918]

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 spine edge. Includes two pages of handwritten notes slipped in front of page 10 (blueprint for Burgess pontoon), dated March 21, 1918.

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