Slip stream effect
A 1926 technical report from the NASA Technical Reports Server, catalogued under its slip stream effect subject, issued for aeronautical engineers and researchers. The single picture is a line graph plotting angles in degrees against airspeed, with a curve falling steeply from about three degrees and flattening toward one degree, marked by circular data points; a designer could borrow its clean axis-and-curve layout as a plain scientific chart style.
