Edit
Mechanical Principles (1931) Poster

(1931)

Full Cast & Crew

Directed by 

Ralph Steiner ... (uncredited)

Music by 

Colin McPhee

Cinematography by 

Ralph Steiner

See also

Release Dates | Official Sites | Company Credits | Filming & Production | Technical Specs

Getting Started | Contributor Zone »

Contribute to This Page


Clear your history

Recently Viewed