Mechanical Principles
1930
Genre: Documentary
Awards:
Runtime: 11 min
Average vote: 6.6
Release date: 1930-02-05
Production Countries: US
Director: Ralph Steiner
Plot:
Cast:
Images
Crew:
Genre: Documentary
Runtime: 11 min
Average vote: 6.6
Release date: 1930-02-05
Director: Ralph Steiner