nasa March 5, 1945) These ice formations on the propeller and fuselage surfaces of a test unit installed in the Icing Research Tunnel at the Aircraft Engine Research Laboratory of the National Advisory Committee for Aeronautics, Cleveland, Ohio, now known as John H. Glenn Research Center at Lewis Field, show what may happen to an airplane in flight under certain atmospheric conditions. Ice degrades the performance of an aircraft in flight and can cause loss of control.
Bell P-39 modified with a 350 gallon belly tank. In September 1942, test pilot Jack Woolams became the first person to fly a fighter aircraft coast to coast over the United States without stopping. There was also additional fuel tanks in the nose section. https://www.facebook.com/
Imho these are pictures not made by an amateur. If have seen countless pictures but the american amateurs ones are mostly not very good. The professional ones are almost always of very high quality. So perhaps these were made and bundled in sets and sent i.g. newspapers.