Daniel McCallum Quote

A single track railroad may be rendered more safe and efficient, by a proper use of the telegraph, than a double track railroad without its aid,


p. 44; Cited in Vose (1857, p. 454), and Pickenpaugh (1998, p. 18) - Report of the Superintendent of the New York and Erie Railroad to the Stockholders (1856)


A single track railroad may be rendered more safe and efficient, by a proper use of the telegraph, than a double track railroad without its aid,

A single track railroad may be rendered more safe and efficient, by a proper use of the telegraph, than a double track railroad without its aid,

A single track railroad may be rendered more safe and efficient, by a proper use of the telegraph, than a double track railroad without its aid,

A single track railroad may be rendered more safe and efficient, by a proper use of the telegraph, than a double track railroad without its aid,