Bourgeon typerä Kiertää gyro gunsight spitfire ironia ennakkokäsitys Ostaa
gunsights
Gyro Gunsight :: Rochester Avionic Archives
Rob Poulussen on Twitter: "Incredible invention. Change to enemy aircraft type, and then aim and fire. A Ferranti IID gyroscopic gunsight in a Spitfire IX. #WW2 #HISTORY https://t.co/ZsMwBtegIZ" / Twitter