Hydrodynamic tests for determining the take-off characteristics of seaplanes
This is a technical report from the NASA Technical Reports Server, dated 1923, presenting hydrodynamic test results for seaplane take-off, aimed at aeronautical engineers. The pictures are dense engineering graphs with multiple labelled curves plotting lift, drag, thrust and resistance against speed and angle of incidence, drawn in fine black line on white paper with numeric axis scales. A designer could take from them the stark, data-driven look of early aviation engineering diagrams, with their clean grid-free linework and sparse lettering.
