Hand-drawn art of a twin-engine piston night fighter "filin" on the desktopHand-drawn art of a twin-engine piston night fighter "filin" on the desktop
Turbine engine of an airplane on a black backgroundTurbine engine of an airplane on a black background
Old cars. hot rod. photos of vintage cars. engine in old carsOld cars. Hot rod. Photos of vintage cars. Engine in old cars
Using a protractor by an engineer in the old schoolUsing a protractor by an engineer in the old school