Engraving and printing methods, advertisement illustration, technical- and trade-paper advertising, street-car advertising, outdoor advertising, house publications (1909)
Scranton : International Textbook Co. · leaf 88
s better, however, not to draw pencil marks across photo-graphs or fine drawings, but to make the calculations on asheet of paper of the same size. If the depth or height ofthis reduction (Fig. 72) were known to be 1 inch and theobject were to find the corresponding reduced width, theruler could be… … Fig. 72 55. Improving- and Making- Changes in Copy.—If it is desired to have the engraving house improve the copyby painting, cut out unimportant parts, or put in some detailnot shown on the original, explicit directions should bestated; otherwise, the bill for retouching may be higherthan was…