The switchtower (1913)

"He was a regular boy and his father a switchman. The boy determined to be like his dad and spent his play hours around the switch-tower. Thus at the crucial moment he was able to save his father's honor as a switchman, when the struggle between love and duty came and later to come to the aid of his parents in the hands of the desperate counterfeiters, eventually causing their capture." —Moving Picture World synopsis.