Engraving and printing methods, advertisement illustration, technical- and trade-paper advertising, street-car advertising, outdoor advertising, house publications (1909)
Scranton : International Textbook Co. · leaf 19
Reducing Glass.—A reducing glass isa very convenient device for the advertising man to possess,as it enables him to see how a drawing will look whenreduced to one-half or to one-third the size of the original.A reducing glass is much like a magnifying glass in generalappearance, but instead of… … Fig. 6Powdered for third bite 8. Photographing and Etching.—It is not necessaryfor the advertising man to burden his mind with the chemicaldetails of zinc etching. The following outline covers all theessentials: A photograph is made of the drawing, or print,that is to be reproduced. The design is…
