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.

similar movies
Battleship Potemkin
1925
genre:Drama
History
War
Nanook of the North
1922
genre:Documentary
Drama
October (Ten Days that Shook the World)
1928
genre:Drama
The Birth of a Nation
1915
genre:Drama
History
War
Sunrise: A Song of Two Humans
1927
genre:Drama
Romance
The Bride's Play
1922
genre:Romance
Drama
The Lure of Crooning Water
1920
genre:Drama
Romance
Freckles
1928
genre:Drama
Faust
1926
genre:Fantasy
Drama
Horror
Broken Blossoms
1919
genre:Drama
Romance
City Lights
1931
genre:Comedy
Drama
Romance
Pandora's Box
1929
genre:Drama
Crime
Romance
The Gold Rush
1925
genre:Adventure
Comedy
Drama
The Cabinet of Dr. Caligari
1920
genre:Drama
Horror
Thriller
Crime
Three Hours
1927
genre:Drama
Modern Times
1936
genre:Comedy
Drama
Romance
Aelita: Queen of Mars
1924
genre:Science Fiction
Drama
Fantasy
The Hands of Orlac
1924
genre:Horror
Thriller
Mystery
Woman in the Moon
1929
genre:Drama
Science Fiction
Romance
Dr. Jekyll and Mr. Hyde
1920
genre:Horror
Science Fiction
Drama