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
d be in mechanics.In Fig. 57, the spot a is four times the size of the spot b;but these two are balanced because the distance ac isonly one-fourth the distance be. Just as the differencein the weight of two bodies depends partly on their size 62 ADVERTISEMENT ILLUSTRATION §29 and partly on the…
