Special Cased Instruments, Continued
Ruling pens have a nib adjustment that is either the spring-type or the hinged-
blade type. The three types of ruling pens you will see in Navy shops are the
detail pen, the contour pen, and the railroad pen.
Figure 2-30 illustrates the differences between the two types of nibs
Figure 2-30. Nib
DETAIL PEN: The detail pen is sometimes called the swede pen. It has
broad nibs to handle a greater ink capacity. It can also handle a heavier
Figure 2-31 shows a swede pen with typically broad nibs.
Figure 2-31. Detail or swede pen.
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