Witness the birth of vertical flight in this 1952 documentary. We delve into the 19th and 20th centuries — a time marked by diligent inventors and their pursuit of aeronautical progress. Rare old film footage, reveals the hard work of early aviation pioneers and their bold experiments and groundbreaking inventions that forever changed the way we see the sky. #Shell #ShellFilmUnit #HistoricFilmArchive #Documentary #History #Helicopter #Aerospace #Aeronautical #Engineering #Aviation