Le bras de levier et la rivière
- 26 Mins
- 1973
- fr
- 0
In the film, produced for the series "Young Scientists", for the CBC, a group of young people on vacation share the discovery of the application of the lever in some applications of everyday life.
In the film, produced for the series "Young Scientists", for the CBC, a group of young people on vacation share the discovery of the application of the lever in some applications of everyday life.