Domande

esercizio 6 - capitolo build up to b2

what happened to frank epperson during a freezing winter evening in 1905?
how long ago did he patent his invention?
where were trapeze artists bouncing when george nissen saw them?
what school was louis braille attending when he started to experiment with different ways of reading?
what did he do when he was only 15?
what did chester greenwood do one day while he was ice skating and was suffering from frozen ears?
what did he ask his grandmother?