The Cathode Ray Oscillograph
1934
Genre: Documentary
Awards:
Runtime: 25 min
Average vote: 0
Release date: 1934-01-01
Production Countries: GB
Director: J.B. Holmes
Plot:
Cast:
Images
Crew:
Genre: Documentary
Runtime: 25 min
Average vote: 0
Release date: 1934-01-01
Director: J.B. Holmes