Location | Call Number | Status | Date Due |
---|---|---|---|
M.E. Callaghan Intermediate School | 419 HEL | Available |
Bibliography: p. [180]-182.
Describes graphic signs and sympols and their importance to cummunication, from picture writing by cavemen to today's use of numbers, musical notes, religious signs, trademarks, signs in science and industry, trail, markers and traffic signals, and the potentials of international sign writing.