Titanium turbine blade, probably from the R-25 engine of the MIG 21; around 1970 I, the copyright holder of this work, hereby publish it under the following
Russian AFA 39 aerial camera with URAN lens - 27; 2.5 - 10 cm; used on MIG-17F; MIG-19; MIG-21; Mil Mi-8; and others. - Picture 4 I, the copyright holder of
