Smoke Signal

The smoke signal is one of the oldest forms of long-distance communication. It is a form of visual communication used over long distance.

Read more about Smoke Signal:  History and Usage

Famous quotes containing the words smoke and/or signal:

    There is in every American, I think, something of the old Daniel Boone—who, when he could see the smoke from another chimney, felt himself too crowded and moved further out into the wilderness.
    Hubert H. Humphrey (1911–1978)

    A signal is comprehended if it serves to make us notice the object or situation it bespeaks. A symbol is understood when we conceive the idea it presents.
    Susanne K. Langer (1895–1995)