Engraving and printing methods, advertisement illustration, technical- and trade-paper advertising, street-car advertising, outdoor advertising, house publications (1909)
Scranton : International Textbook Co. · leaf 293
Fig. 58 Fig. 59 is only one-fourth the size of a. Being one-fourth the sizeand twice the strength in color, b has half the value of a andbalances with a when placed from c a distance twice as greatas a is placed. §29 ADVERTISEMENT ILLUSTRATION 63 It is evident from the foregoing that a close…
