| Show 7 wright brothers showed in hi early yeigi 1 I 1 I 1 I 1 I 1 1 1 7 11 according io to them the first biography of the inventors the wright t brothers fathers father s of flight by john 11 me mellon malion they showed theli inventive minds atan alt an early aga age when orvlle was ten and ana wllbur wilbur fourteen they constructed a wood turning lathe out of lumber froni tile the wood pile parts from ah old buggy and marbles for ball bearings its power plant wasa was foot trea alc long enough to accommodate the feet of six boys when or ville wa was seventeen and r awen tyone ty oice one they built a printing sprinting press with a secondhand second hand liand tombstone as the bed dietr the first revolutionary discovery was roade made fro froah M a cardboard box bos from which wilbur had just sold a bicycle inner tube Oi orvllle TIlle had previously concluded that literal lateral balance balio would be 6 u ece aes Esary sari io to buccey I 1 I 1 I 1 ILI az 1 ful flight As ills his brother twisted thi th sides of the box he evolved the very principle they ha had been abbin Be eltIng this became tin warp which anin inlets present forni form of alle aheron ron Js is to tha iller sidewise balance flee of airplanes ri |