Fecha de lanzamiento
01 Jan, 1973
Tiempo de ejecución
00:26: (HH:MM)
Sinopsis
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.
Título original
Le bras de levier et la rivière
Fotos
Michel Brault