Keywords: blackandwhite black and white A Bell P-39 Airacobra fuselage and engine installed in the IRT’s diffuser supported propeller icing tests between 1944 and 1947. Image #: C-1944-7052 Date: October 18, 1944 A Bell P-39 Airacobra fuselage and engine installed in the IRT’s diffuser supported propeller icing tests between 1944 and 1947. Image #: C-1944-7052 Date: October 18, 1944 |