Public Domain Movies

Great Guns (1932)
Running Time: 0.276388888888889 Black & White

Mechanical Cow (1927)
Running Time: 0.25 Black & White

Oswald sets up a milk stand with a robot cow, who gives milk like a gas pump. With the help of his mechanical cow, Oswald succeeds in rescuing his girlfriend

Oh Teacher (1932)
Running Time: 0.241666666666667 Black & White

Plumber, The (1933)
Running Time: 0.304166666666667 Black & White