The Black Box

The Black Box is a 1915 American drama film serial directed by Otis Turner. This serial is considered to be lost. The film was written in part by E. Phillips Oppenheim, a popular novelist at the time. The story was published in 1915 as a novel and as a newspaper serial. Both published editions were illustrated by photographic stills taken from the movie serial. In the novel version, about 30 stills from the movie are preserved. These can be seen in the Gutenberg.org version.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.