VI. The nib should then be examined with the magnifying glass. Hold the pen, back down, over a sheet of white paper, and see that the ends of the two half-nibs are in the same straight line a–b (fig. [30]).
The nib should have an oblique chisel-shaped tip, very sharply cut (fig. [31]).
A magnifying glass is necessary for examining a fine pen; a coarse pen may be held up against [p058] the light from a window—a finger-tip being held just over the nib to direct the eye (fig. [32]).
