The essentials of illustration, a practical guide to the reproduction of drawings & photographs for the use of scientists & others (1915)
Hill, Thomas George, 1876- · London, W. Wesley & Son · leaf 128
ries of white dots owing to the fact that at thepoints of intersection the black lines tend to thicken ;hence, on printing, the white spaces, instead of beingsharply cut and diamond-shaped, are rounded. Thiswill not occur in a good block made by the swelledgelatine method. Further, the process does… … CO (UOOu Oh4> ■♦-> JH en (U J3 -^3Ou Oh<U O >> 04 utuo o < odCO bJo 85 RELIEF PRINTING can be reproduced satisfactorily by this method. In thecase of pencil drawings, the best results will be givenwhen the surface of the paper used by the draughtsmanis slightly rough ; a pencil…
Engraving -- Printing · Illustration of books · Photomechanical processes
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