| 摘要 |
PURPOSE:To form centerlines and L-shaped finish lines simultaneously on a copying negative without requiring any laborious work by placing a transparent layout sheet having the centerlines and the L-shaped finish lines on an original frame, placing the original thereon and photographing the same. CONSTITUTION:A layout sheet drawn with black lines 1, 2, 3 by accurately drawing lines with a plotter by a scribing system and written with blue lines 4 and standard size characters of a blue color is placed on the original frame of a vertical compact copying process camera, and the original of a pamphlet intended for two color printing of a A4 size finish is aligned of position and is placed thereon, thence it is photographed by an ordinary exposure method. The sharp centerlines 1, 2 and the finish L-shaped line 3 are formed on the developed copying negative and the standard size line 4 and characters, and figures which are unnecessary parts are not formed at all, thus good results are obtained. |
