Signal Forms
Signals differ both in the manner in which they display aspects and in the manner in which they are mounted with respect to the track.
Read more about this topic: Railway Signal
Famous quotes containing the words signal and/or forms:
“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)
““There is no exquisite beauty,” says Bacon, Lord Verulam, speaking truly of all the forms and genera of beauty, “without some strangeness in the proportion.””
—Edgar Allan Poe (1809–1849)