Commercial engraving and printing : a manual of practical instruction and reference covering commercial illustrating and printing by all processes for advertising managers, printers, engravers, lithographers, paper men, photographers, commercial artists, salesmen, instructors, students and all others interested in these and allied trades (1924)
Hackleman, Charles W. (Charles William), 1868- · Indianapolis : Commercial Engraving Pub. Co. · leaf 369
and others for curved plates for rotary presses as used in newspaper printing. The box ts tilted to an upright position and the molten metal is poured or pumped in. It hardens almost instantly and is usually partially cooled by the circulation of cold water through the lid of the casting box, that… … Square halftone, 150 line, no line. Made from slightly retouched photograph. Fig. 893. Steam heated matrix drying tables (rear) and a type form in chase on makeup and beating table.
