Boat Builders (1938)

Boat Builders is an animated short film produced by Walt Disney, distributed by RKO Radio Pictures and released on February 25, 1938. The film was directed by Ben Sharpsteen and animated by Frenchy de Trémaudan, Louie Schmittt, Chuck Couch, Eddie Strickland, Clyde Geronimi, Paul Satterfield, Archie Robin, Don Patterson.

More at Wikipedia.