This section is from the book "Hill's Manual Of Social And Business Forms: A Guide To Correct Writing", by Thos. E. Hill. Also available from Amazon: Hill's Manual Of Social And Business Forms: The How-To-Do-Everything Book Of Victorian America.
One pull of bell-cord signifies "stop."
Two pulls mean "go ahead."
Three pulls signify "back up."
One whistle signifies "down brakes."
Two whistles mean " off brakes."
Three whistles signify " back up."
Continued whistles indicate "danger."
Rapid short whistles, "a cattle alarm."
A slowly sweeping meeting of the hands, over the head, means "back slowly."
Downward motion of the hands, with extended arms, signifies "stop."
Beckoning motion of one hand, Indicates "back."
A red flag waved up the track, signifies "danger."
A red flag standing by the roadside, means "danger ahead."
A red flag carried on a locomotive, signifies "an engine following."
A red flag raised at a station, is a signal to stop."
A lantern at night raised and lowered vertically, is a signal to "start."
A lantern swung at right angles across the track, means "stop."
A lantern swung in a circle, signifies "back the train."