Black and white image of an airplane with two propellersBlack and white image of an airplane with two propellers
Drawing of an old airplane with a detailed image of the propellerDrawing of an old airplane with a detailed image of the propeller
Combat formation of british self-propelled self-propelled gunsCombat formation of British self-propelled self-propelled guns
Self-propelled artillery installation at the exhibitionSelf-propelled artillery installation at the exhibition