SCALES
In drawing, "scale" refers to aproportion determining the
relation of arepresentation to the full size of that which
is represented. The term also applies to any of various
instruments having one or more sets of precisely
graduated and numbered spaces for measuring, reading,
or transferring dimensions and distances in a drawing.
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8
Architect's Scoles
An architect's scale has graduations along its edges
so that scaledrawings can be measured directly in feet
and inches.
• Triangular scales have 6 sides with 11 scales, a full-size
scalein 1 ' increment, as well as the following
1]6'
architectural scales·. 3f3211' 3f 1611' If811 ' If4II ' If 2II' 3f8II'
11
3f411, 1, J.lf{ and 311 = 1 11 •
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• Flat-beveled scales have either 2sides with 4 scales or
4 sides with 8 scales.
11
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46
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8
42
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16
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11
• Both 1 and 6 lengths areavailable.
2
• Scales should have precisely calibrated
graduations and engraved, wear-resistant markings.
• Scales should never be used as a
straightedge for drawing lines.
1----~
To read an archit ect's scale, use the part of scale
graduated in whole feet and the division of afoot for
increments sm t h afoot.
aller an
• Thelarger the scale of adrawing, the more information
it can and should contain.
l 0 /ARCH ITECTU
RAL GRAP HICS