Ruling Blank Books
A special ruling for a blank book can be drawn by using a thin piece of sheet metal or cardboard, cut as shown in Fig. 1, for a template. The pencil is drawn along one edge of the cutout so that it will make lines as shown in Fig. 2.
A Template Having Slots Cut for Drawing Special Vertical and Horizontal Lines on Pages (Fig. 1, Fig. 2)
If horizontal lines are required, cut notches on the edge for the location of each line as shown. When the vertical lines are drawn, these notches will mark the places for the horizontal lines.