Scales,Two-bevelscalesContinuedTwo-bevel scales tend to be wide-based. The two scale faces are alwaysvisible.Figure 2-58 shows a two-bevel scale.Figure 2-58. —Two bevel scale.Opposite-bevelThere are two scale faces on an opposite-bevel scale, but only one scale facescaleis visible at a time. Because the sides of this scale are beveled, it is easy foryou to remove it from the drawing surface.Figure 2-59 shows an opposite-bevel scale.Figure 2-59. —Oppositebevel scale.There are four scale faces on one rule on a four-bevel scale. Both edges onboth sides are beveled. This type of scale is usually found as a small pocketscale particularly for machinists.Figure 2-60 shows a four-bevel scale.Figure 2-60. —Fourbevel scale.Continued on next page2-49Four-bevelscale
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