Blueprint Compositions, ContinuedScaleThe scale block shows the-size of the drawing compared to the actual size ofthe part or assembly. Choose the scale to fit the object and the spaceavailable on the sheet of drawing paper. Never measure from drawings;always use stated dimensions.Scale usually appears as part of the titleblock. Indicate scale using the fractional method where the drawing unit isthe denominator and the object is the numerator, the equation method wherescale is indicated in feet (’) and inches (”), or the graphical method with aprimary scale to the right of the 0 and a subdivided scale to the left of the 0.Graphical scales are reserved primarily for maps.Figure 1-39 illustrates the three ways of indicating scale on drawings.Figure 1-39.—Indicating scale.Continued on next page1-51
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