The Block Signal
Joe Ryan, a veteran train engineer, is demoted to a flagman position after a disastrous crash-- one caused by his cowardly and opportunistic partner. Though Ryan's failing eyesight is named as the cause of the crash, he's undeterred as he designs an automatic braking invention.
- विधा: Drama, Thriller
- स्टुडियो:
- कीवर्ड: silent film
- जात: Ralph Lewis, Jean Arthur, Hugh Allan, George Chesebro, Sidney Franklin, Leon Holmes
