00429 a2200121 450000500170000002000180001708200170003510000180005224501080007026000380017830000710021670000200028720250408122638.0 a0-538-64475-3 a621. 380 HAY aHAYNIE, W. J. aThe Technology of Communication: Drawing, Photographic and Optical Systems, Print, and Electronic Media aLondon,bThomson Learning,c1995. avii, 295p.: ill.; figure, picture, table.bGlossary, index.c28cm. aPETERSON, R. E.