![]() | Barnes Wallis, the inventor of the bouncing bomb, had difficulty proving his ideas Süre: 1:27 | Boyut: 3.32 MB |
![]() | The daughter of Barnes Wallis talks about the pressure he felt to help the war effort Süre: 1:37 | Boyut: 3.7 MB |
![]() | Mary Stopes Roe, the daughter of Barnes Wallis, tells us about the origin of the Bouncing Bomb Süre: 1:32 | Boyut: 3.51 MB |