

GRADE: 6
In the 1930s, Charles Lang invents an engine that runs using water for fuel. But when he tries to get it patented, he is first offered a ridiculously low amount.
Director: Steven Schachter
Country of Origin: USA
In the 1930s, Charles Lang invents an engine that runs using water for fuel. But when he tries to get it patented, he is first offered a ridiculously low amount.
Director: Steven Schachter
Country of Origin: USA