Cased Instruments, Continued
To use a compass, follow this table:
Make sure the needlepoint projects 1/64 inch beyond the nib.
Set compass legs to radius of desired circle or arc (Figure C).
Place needle carefully in exact center of proposed circle (Figure D).
Slowly lower nib to paper.
Rotate compass to complete circle (Figure E).
Check diameter of circle for accuracy (Figure F).
Figure 2-25 illustrates the steps for drawing a circle.
Figure 2-25. A. Determine diameter of circle. B. Draw center
lines. C, D, E, and F follow chart.
Continued on next page